Growing community of inventors

Sandwich, IL, United States of America

James K Campbell

Average Co-Inventor Count = 3.00

ph-index = 3

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 = 22

James K CampbellDoug G Schaefer (2 patents)James K CampbellNed C Pfeiffer (2 patents)James K CampbellNicola Balderi (2 patents)James K CampbellThomas F Brand (1 patent)James K CampbellJames K Campbell (3 patents)Doug G SchaeferDoug G Schaefer (2 patents)Ned C PfeifferNed C Pfeiffer (2 patents)Nicola BalderiNicola Balderi (2 patents)Thomas F BrandThomas F Brand (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fellowes Manufacturing Company (2 from 54 patents)

2. General American Door Company (1 from 1 patent)


3 patents:

1. 6796361 - Hurricane I-post

2. 5544941 - Adjustable foot rest

3. 5507458 - Height and tilt adjustable wrist rest

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1/11/2026
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