Growing community of inventors

Zeeland, MI, United States of America

David J Spykerman

Average Co-Inventor Count = 2.07

ph-index = 20

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 871

David J SpykermanRonald A Dykstra (3 patents)David J SpykermanScott S Bainbridge (3 patents)David J SpykermanJoseph B Buonodono (3 patents)David J SpykermanGordon Miller (3 patents)David J SpykermanGregory Brncick (2 patents)David J SpykermanBrian R Dexter (2 patents)David J SpykermanCraig David Flowerday (2 patents)David J SpykermanMichael Robert Catlin (2 patents)David J SpykermanWesley D Mersman (2 patents)David J SpykermanLeif Strom (2 patents)David J SpykermanDetlef Zimmermann (2 patents)David J SpykermanBradford J Burrows (2 patents)David J SpykermanMichael J Gregg (2 patents)David J SpykermanRussell P Shafer (2 patents)David J SpykermanJeremy Deadman (2 patents)David J SpykermanGerald M DeShaw (2 patents)David J SpykermanRandy E Eldred (2 patents)David J SpykermanMichael Przemyslaw Szczepkowski (2 patents)David J SpykermanRobert C Fitzpatrick (1 patent)David J SpykermanRick A Anderson (1 patent)David J SpykermanNels R Smith (1 patent)David J SpykermanKim L Van Order (1 patent)David J SpykermanLance Erick Larsen (1 patent)David J SpykermanKenneth M Lindberg (1 patent)David J SpykermanDaniel J Koester (1 patent)David J SpykermanSheldon J Watjer (1 patent)David J SpykermanMark Caye (1 patent)David J SpykermanBrett Kooistra (1 patent)David J SpykermanNeil J Bush (1 patent)David J SpykermanDale J Frye (1 patent)David J SpykermanGregary A Haupt (1 patent)David J SpykermanLeif Norland (1 patent)David J SpykermanJeffrey T Stout (1 patent)David J SpykermanRollin E Nothwehr (1 patent)David J SpykermanNathan W Young (1 patent)David J SpykermanJerry M DeJong (1 patent)David J SpykermanPhilip C George (1 patent)David J SpykermanJeffrey L Barber (1 patent)David J SpykermanJoseph M Thompson (1 patent)David J SpykermanAlan G Greene (1 patent)David J SpykermanMark E Adomeit (1 patent)David J SpykermanDavid P Marcusen (1 patent)David J SpykermanJoanne H Cole (1 patent)David J SpykermanKwang-Ha Kim (1 patent)David J SpykermanRoger A Whitley (1 patent)David J SpykermanDouglas Robert Thompson (1 patent)David J SpykermanShelle Dawn Tilstra (1 patent)David J SpykermanSteven D Lepley (1 patent)David J SpykermanKevin J Fellows (1 patent)David J SpykermanMichael J Burns (1 patent)David J SpykermanPhilip P Cannon (1 patent)David J SpykermanScott W Doenges (1 patent)David J SpykermanKevin W J Kim (1 patent)David J SpykermanDavid M Sovis (1 patent)David J SpykermanJohn K Barlow (1 patent)David J SpykermanThomas S Mayr (1 patent)David J SpykermanStacey A Waldo (1 patent)David J SpykermanRachel A teBrake (1 patent)David J SpykermanAllison R Stahl (1 patent)David J SpykermanBenjamin R Judy (1 patent)David J SpykermanGregory N Brncick (0 patent)David J SpykermanDavid J Spykerman (40 patents)Ronald A DykstraRonald A Dykstra (26 patents)Scott S BainbridgeScott S Bainbridge (5 patents)Joseph B BuonodonoJoseph B Buonodono (4 patents)Gordon MillerGordon Miller (3 patents)Gregory BrncickGregory Brncick (17 patents)Brian R DexterBrian R Dexter (16 patents)Craig David FlowerdayCraig David Flowerday (14 patents)Michael Robert CatlinMichael Robert Catlin (12 patents)Wesley D MersmanWesley D Mersman (11 patents)Leif StromLeif Strom (5 patents)Detlef ZimmermannDetlef Zimmermann (5 patents)Bradford J BurrowsBradford J Burrows (5 patents)Michael J GreggMichael J Gregg (4 patents)Russell P ShaferRussell P Shafer (4 patents)Jeremy DeadmanJeremy Deadman (2 patents)Gerald M DeShawGerald M DeShaw (2 patents)Randy E EldredRandy E Eldred (2 patents)Michael Przemyslaw SzczepkowskiMichael Przemyslaw Szczepkowski (2 patents)Robert C FitzpatrickRobert C Fitzpatrick (50 patents)Rick A AndersonRick A Anderson (47 patents)Nels R SmithNels R Smith (37 patents)Kim L Van OrderKim L Van Order (27 patents)Lance Erick LarsenLance Erick Larsen (15 patents)Kenneth M LindbergKenneth M Lindberg (14 patents)Daniel J KoesterDaniel J Koester (13 patents)Sheldon J WatjerSheldon J Watjer (12 patents)Mark CayeMark Caye (11 patents)Brett KooistraBrett Kooistra (11 patents)Neil J BushNeil J Bush (9 patents)Dale J FryeDale J Frye (8 patents)Gregary A HauptGregary A Haupt (6 patents)Leif NorlandLeif Norland (6 patents)Jeffrey T StoutJeffrey T Stout (5 patents)Rollin E NothwehrRollin E Nothwehr (5 patents)Nathan W YoungNathan W Young (4 patents)Jerry M DeJongJerry M DeJong (4 patents)Philip C GeorgePhilip C George (4 patents)Jeffrey L BarberJeffrey L Barber (4 patents)Joseph M ThompsonJoseph M Thompson (4 patents)Alan G GreeneAlan G Greene (4 patents)Mark E AdomeitMark E Adomeit (3 patents)David P MarcusenDavid P Marcusen (3 patents)Joanne H ColeJoanne H Cole (3 patents)Kwang-Ha KimKwang-Ha Kim (2 patents)Roger A WhitleyRoger A Whitley (2 patents)Douglas Robert ThompsonDouglas Robert Thompson (2 patents)Shelle Dawn TilstraShelle Dawn Tilstra (1 patent)Steven D LepleySteven D Lepley (1 patent)Kevin J FellowsKevin J Fellows (1 patent)Michael J BurnsMichael J Burns (1 patent)Philip P CannonPhilip P Cannon (1 patent)Scott W DoengesScott W Doenges (1 patent)Kevin W J KimKevin W J Kim (1 patent)David M SovisDavid M Sovis (1 patent)John K BarlowJohn K Barlow (1 patent)Thomas S MayrThomas S Mayr (1 patent)Stacey A WaldoStacey A Waldo (1 patent)Rachel A teBrakeRachel A teBrake (1 patent)Allison R StahlAllison R Stahl (1 patent)Benjamin R JudyBenjamin R Judy (1 patent)Gregory N BrncickGregory N Brncick (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Prince Corporation (24 from 392 patents)

2. Johnson Controls Technology Company (10 from 1,941 patents)

3. Xtech Tactical, LLC (3 from 3 patents)

4. Other (2 from 832,843 patents)

5. Princeton Technology Corporation (1 from 193 patents)

6. Calvin College (1 from 1 patent)


40 patents:

1. 11506461 - Quick change magazine coupler

2. 11408697 - Firearm magazine extension article

3. 11168954 - Firearm magazine extenders having laterally-interlocking enclosure pieces

4. 9383162 - Adjustable firearm

5. 8376435 - Configurable seating and console system

6. 7661505 - Vehicle console

7. 7533918 - Console storage enclosure

8. 6726267 - Console assembly

9. 6527154 - Floor mounted retention system

10. 6520364 - Storage divider

11. 6457690 - Vehicle accessory combined hook and clip

12. 6435587 - Console

13. 6390547 - Seat assembly

14. 6375055 - Collapsible and removable cargo managing system and auxiliary support table

15. 6290277 - Cargo management and article support systems

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as of
12/27/2025
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