Growing community of inventors

Westfield Center, OH, United States of America

David E Campbell

Average Co-Inventor Count = 2.60

ph-index = 4

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 = 57

David E CampbellJason Biter (7 patents)David E CampbellCorey A Campbell (5 patents)David E CampbellMatthew Scott Graham (3 patents)David E CampbellTroy Daniel Mason (3 patents)David E CampbellEllen Kusovitsky Siegel (2 patents)David E CampbellJoseph A Lawlor (1 patent)David E CampbellRobert L Houry (1 patent)David E CampbellAlan L Lytle (1 patent)David E CampbellDavid E Campbell (12 patents)Jason BiterJason Biter (9 patents)Corey A CampbellCorey A Campbell (5 patents)Matthew Scott GrahamMatthew Scott Graham (28 patents)Troy Daniel MasonTroy Daniel Mason (9 patents)Ellen Kusovitsky SiegelEllen Kusovitsky Siegel (5 patents)Joseph A LawlorJoseph A Lawlor (20 patents)Robert L HouryRobert L Houry (8 patents)Alan L LytleAlan L Lytle (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Foundations Worldwide, Inc. (7 from 35 patents)

2. Other (3 from 832,718 patents)

3. Clek Inc. (1 from 11 patents)

4. Firstseat, LLC (1 from 1 patent)


12 patents:

1. 11040694 - Portable restraining passenger safety harness

2. 10640078 - Portable restraining passenger safety harness

3. 9380884 - Crib

4. D732869 - Crib

5. 8745781 - Crib

6. 8613480 - Child restraint system

7. 8572775 - Crib

8. D690579 - Latch for a crib

9. 8424964 - Child safety seat

10. D677954 - Crib

11. D666470 - Latch for a crib

12. 8226162 - Child safety seat

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as of
12/10/2025
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