Derrik Lee Roll
5Patents
4h-index
4Co-inventors
39Inventor score
Filing activity: May 7, 2021 → Jan 5, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US11668538B1 | Compact action with forward charging handle incorporated into an upper receiver handguard | Mechanical Engineering; Lighting; Heating | 7 | Active |
| USD987763S1 | Magazine for firearm | General | 6 | Active |
| USD1020970S1 | Magazine for firearm | General | 4 | Active |
| USD1023215S1 | Magazine for firearm | General | 4 | Active |
| US11662166B2 | Reinforced magazine feed lips with rear actuated last round bolt hold open and follower | Mechanical Engineering; Lighting; Heating | 4 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.