Robert C. Beals
4Patents
3h-index
2Co-inventors
40Inventor score
Filing activity: Sep 2, 1976 → Jan 11, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5159139A | Drumhead with overtone suppression | Physics | 26 | Expired |
| US5107741A | Muffler for bass drums | Physics | 12 | Expired |
| US4779508A | Drumhead construction | Physics | 9 | Expired |
| US4096501A | Photographic cassette with forward cutout portions to eliminate localized unwanted image areas | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.