Growing community of inventors

Orillia, Canada

David Robert Campbell

Average Co-Inventor Count = 2.23

ph-index = 13

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 = 496

David Robert Campbell ↔ Nina Sterlin (41 patents)David Robert Campbell ↔ Elias Mancebo (30 patents)David Robert Campbell ↔ Phil Weber (14 patents)David Robert Campbell ↔ Eric Mercer (7 patents)David Robert Campbell ↔ Richard M Desautels (1 patent)David Robert Campbell ↔ William A Fast (1 patent)David Robert CampbellDavid Robert Campbell (72 patents)Nina SterlinNina Sterlin (41 patents)Elias ManceboElias Mancebo (30 patents)Phil WeberPhil Weber (14 patents)Eric MercerEric Mercer (8 patents)Richard M DesautelsRichard M Desautels (1 patent)William A FastWilliam A Fast (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Royal Group, Inc. (71 from 91 patents)

2. Other (1 from 832,812 patents)


72 patents:

1. D739562 - Window frame profile

2. D739042 - Window frame profile

3. D739044 - Window frame profile

4. D739046 - Window frame profile

5. D739045 - Window frame profile

6. D739043 - Window frame profile

7. D735894 - Window frame profile

8. D732706 - Window frame profile

9. D732707 - Window frame profile

10. D732203 - Window frame profile

11. D732204 - Window frame profile

12. D732205 - Window frame profile

13. D732206 - Window frame profile

14. D732207 - Window frame profile

15. D727534 - Window frame profile

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as of
12/19/2025
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