John R. Yapp
1Patents
1h-index
1Co-inventors
22Inventor score
Filing activity: May 1, 1990 → May 1, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5016806A | Tube weld mill | Performing Operations; Transporting | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.