Growing community of inventors

Miami, FL, United States of America

Robert Marshall Campbell

Average Co-Inventor Count = 1.04

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 = 80

Robert Marshall CampbellMark G Duer (1 patent)Robert Marshall CampbellWanda Campbell (1 patent)Robert Marshall CampbellRobert Marshall Campbell (29 patents)Mark G DuerMark G Duer (3 patents)Wanda CampbellWanda Campbell (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (13 from 832,812 patents)

2. Hookshottactical, LLC (2 from 2 patents)


29 patents:

1. 12474141 - Rotationally deployed non-blocking firearm mirror accessory

2. 12435480 - Equipment, systems and vessels, for the effective cleanup and recovery of a broad range of floating contaminants

3. 12428795 - Oil spill clean-up and recovery systems for marine vessels

4. 12298103 - Camera sight device for a weapon

5. 12263922 - Equipment, systems and vessels, for the effective cleanup and recovery of a broad range of floating contaminants

6. 12259216 - Camera sight device for a weapon

7. 12253335 - Sight adjustable display mount for firearms

8. 12181251 - Video camera sight scopes with external reticles

9. 12078451 - Firearm sighting device and system

10. 11927427 - Sighting system for a firearm

11. 11846490 - Rotationally deployed non-blocking firearm mirror accessory

12. 11796286 - Firearm sighting device and system

13. 11384500 - Oil spill clean-up and recovery systems for marine vessels

14. 11215426 - Sight adjustable display mount for firearms

15. 11204219 - Camera sight device for a weapon

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as of
12/21/2025
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