Robert L. Kramer
7Patents
6h-index
8Co-inventors
52Inventor score
Filing activity: Jan 7, 1992 → Nov 7, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5460274A | Hanging bike rack | Performing Operations; Transporting | 29 | Expired |
| US5610367A | Non-toxic rim-fire primer | Chemistry; Metallurgy | 29 | Expired |
| US6202561A | Shotshell having pellets of different densities in stratified layers | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US5466315A | Non-toxic primer for center-fire cartridges | Chemistry; Metallurgy | 18 | Expired |
| US5547528A | Non-toxic primer | Chemistry; Metallurgy | 11 | Expired |
| US5175389A | Frontally guided sabot bullet | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US6699041B1 | Self-assessing target with automatic feedback | Mechanical Engineering; Lighting; Heating | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.