Robert H. Hetzel
3Patents
3h-index
1Co-inventors
40Inventor score
Filing activity: Aug 4, 1988 → Jun 14, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4911665A | Gearcase exhaust relief for a marine propulsion system | Performing Operations; Transporting | 25 | Expired |
| US4865520A | Marine propeller with addendum | Performing Operations; Transporting | 12 | Expired |
| US7019202B1 | Acoustic guitar with reverberating bridge assembly | Physics | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.