Robert E. Yapp
4Patents
2h-index
3Co-inventors
33Inventor score
Filing activity: Nov 26, 1976 → Feb 21, 1984
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4445394A | Control lever arrangements | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4492080A | Tractor hydraulic control systems | Human Necessities | 2 | Expired |
| US4069889A | Steering systems | Performing Operations; Transporting | 2 | Expired |
| US4207436A | Constant percent break type dial pulse corrector | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.