Growing community of inventors

Bridgeview, IL, United States of America

David L Witkewitz

Average Co-Inventor Count = 4.37

ph-index = 9

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 = 303

David L WitkewitzMichael J Greenberg (8 patents)David L WitkewitzHenry T Tyrpin (7 patents)David L WitkewitzRobert J Yatka (6 patents)David L WitkewitzPhilip G Schnell (6 patents)David L WitkewitzMansukh M Patel (4 patents)David L WitkewitzMichael A Reed (4 patents)David L WitkewitzGordon N McGrew (4 patents)David L WitkewitzLindell C Richey (4 patents)David L WitkewitzDavid G Barkalow (4 patents)David L WitkewitzMichael P Russell (4 patents)David L WitkewitzVictor V Gudas (4 patents)David L WitkewitzRonald L Ream (3 patents)David L WitkewitzChristine L Corriveau (3 patents)David L WitkewitzSteven E Zibell (3 patents)David L WitkewitzSonya S Johnson (3 patents)David L WitkewitzFred R Wolf (3 patents)David L WitkewitzJeffrey S Hook (3 patents)David L WitkewitzDaniel J Zyck (3 patents)David L WitkewitzJoo H Song (2 patents)David L WitkewitzDavid W Record (2 patents)David L WitkewitzDonald J Townsend (2 patents)David L WitkewitzWilliam J Wokas (2 patents)David L WitkewitzPhilip Mazzone (2 patents)David L WitkewitzDonald Arthur Seielstad (2 patents)David L WitkewitzDaniel J Sitler (2 patents)David L WitkewitzRoman M Barabolak (2 patents)David L WitkewitzScott W Marske (2 patents)David L WitkewitzMarc A Meyers (1 patent)David L WitkewitzJames Roy Maxwell (1 patent)David L WitkewitzJulius W Zuehlke (1 patent)David L WitkewitzChungsea Shen (1 patent)David L WitkewitzVasek J Kures (1 patent)David L WitkewitzRebecca Ann Aumann (1 patent)David L WitkewitzThomas M Tongue, Jr (1 patent)David L WitkewitzJonathan J Knutsen (1 patent)David L WitkewitzRaynold M Petrocelli (1 patent)David L WitkewitzJohn E Hammond (1 patent)David L WitkewitzMario N DiFalco, Jr (1 patent)David L WitkewitzSharon D Thomas (1 patent)David L WitkewitzKathryn T Nelson (1 patent)David L WitkewitzJack D Nimz (1 patent)David L WitkewitzGordon N Mcgrew (1 patent)David L WitkewitzDavid L Witkewitz (18 patents)Michael J GreenbergMichael J Greenberg (68 patents)Henry T TyrpinHenry T Tyrpin (27 patents)Robert J YatkaRobert J Yatka (53 patents)Philip G SchnellPhilip G Schnell (28 patents)Mansukh M PatelMansukh M Patel (42 patents)Michael A ReedMichael A Reed (36 patents)Gordon N McGrewGordon N McGrew (32 patents)Lindell C RicheyLindell C Richey (30 patents)David G BarkalowDavid G Barkalow (28 patents)Michael P RussellMichael P Russell (7 patents)Victor V GudasVictor V Gudas (6 patents)Ronald L ReamRonald L Ream (52 patents)Christine L CorriveauChristine L Corriveau (24 patents)Steven E ZibellSteven E Zibell (20 patents)Sonya S JohnsonSonya S Johnson (18 patents)Fred R WolfFred R Wolf (18 patents)Jeffrey S HookJeffrey S Hook (14 patents)Daniel J ZyckDaniel J Zyck (11 patents)Joo H SongJoo H Song (53 patents)David W RecordDavid W Record (34 patents)Donald J TownsendDonald J Townsend (30 patents)William J WokasWilliam J Wokas (15 patents)Philip MazzonePhilip Mazzone (6 patents)Donald Arthur SeielstadDonald Arthur Seielstad (6 patents)Daniel J SitlerDaniel J Sitler (6 patents)Roman M BarabolakRoman M Barabolak (6 patents)Scott W MarskeScott W Marske (5 patents)Marc A MeyersMarc A Meyers (19 patents)James Roy MaxwellJames Roy Maxwell (13 patents)Julius W ZuehlkeJulius W Zuehlke (9 patents)Chungsea ShenChungsea Shen (8 patents)Vasek J KuresVasek J Kures (8 patents)Rebecca Ann AumannRebecca Ann Aumann (4 patents)Thomas M Tongue, JrThomas M Tongue, Jr (3 patents)Jonathan J KnutsenJonathan J Knutsen (2 patents)Raynold M PetrocelliRaynold M Petrocelli (1 patent)John E HammondJohn E Hammond (1 patent)Mario N DiFalco, JrMario N DiFalco, Jr (1 patent)Sharon D ThomasSharon D Thomas (1 patent)Kathryn T NelsonKathryn T Nelson (1 patent)Jack D NimzJack D Nimz (1 patent)Gordon N McgrewGordon N Mcgrew (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Wm Wrigley Jr Company (17 from 585 patents)

2. Wh. Wrigley Jr. Company (1 from 1 patent)


18 patents:

1. 7767243 - Combinations of cooling agents for use in confections

2. 7115288 - Method for making coated chewing gum products with a coating including an aldehyde flavor and a dipeptide sweetener

3. 7078066 - Chewing gum containing physiological cooling agents and method of making

4. 6955827 - Method of controlling release of antimicrobial agents in chewing gum

5. 6949264 - Nutraceuticals or nutritional supplements and method of making

6. 6627233 - Chewing gum containing physiological cooling agents

7. 6627234 - Method of producing active agent coated chewing gum products

8. 6592912 - Method of controlling release of antimicrobial agents from chewing gum and gum produced thereby

9. 6579545 - Coated chewing gum products containing an antigas agent

10. 6541048 - Coated chewing gum products containing an acid blocker and process of preparing

11. 6472000 - Method of controlling release of bitterness inhibitors in chewing gum and gum produced thereby

12. 6444241 - Caffeine coated chewing gum product and process of making

13. 6165516 - Method of controlling release of caffeine in chewing gum

14. 5637334 - Chewing gum containing maltitol

15. 5158790 - L-carvone enhanced fruit flavored chewing gum

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as of
12/28/2025
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