Kenneth Robertson
3Patents
0Active
3Granted
28Portfolio score
Filing activity: Sep 30, 1991 → Apr 5, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5148603A | Illuminated rear peep sight for a projectile device | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US5669146A | Changeable insert peep sight | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US6282800A | Peep sight with on/off illumination by protrudiing pins | Mechanical Engineering; Lighting; Heating | 18 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.