Growing community of inventors

Wichita, KS, United States of America

Duane D Marshall

Average Co-Inventor Count = 2.37

ph-index = 5

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 = 78

Duane D Marshall ↔ Jordan G Rockstad (3 patents)Duane D Marshall ↔ Joshua M Wright (2 patents)Duane D Marshall ↔ Timothy M Holub (1 patent)Duane D Marshall ↔ Philip M Holsinger (1 patent)Duane D Marshall ↔ Todd William Showalter (1 patent)Duane D Marshall ↔ Mary K Richardson (1 patent)Duane D Marshall ↔ Vernon J Taylor (1 patent)Duane D MarshallDuane D Marshall (6 patents)Jordan G RockstadJordan G Rockstad (4 patents)Joshua M WrightJoshua M Wright (7 patents)Timothy M HolubTimothy M Holub (48 patents)Philip M HolsingerPhilip M Holsinger (10 patents)Todd William ShowalterTodd William Showalter (3 patents)Mary K RichardsonMary K Richardson (3 patents)Vernon J TaylorVernon J Taylor (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Coleman Company, Inc. (6 from 487 patents)


6 patents:

1. 7367696 - Foldable lantern base

2. D538875 - Water float

3. D526688 - Water float toy

4. D526689 - Water float toy

5. D514882 - Camping stove

6. D507370 - Flashlight

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as of
12/15/2025
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