Roy W. Fletcher
5Patents
2h-index
6Co-inventors
44Inventor score
Filing activity: Apr 29, 1977 → Feb 12, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5720911A | Sintered boron carbide articles | Chemistry; Metallurgy | 9 | Expired |
| US4445448A | Apparatus for delivering disk-like objects to an attaching station | Performing Operations; Transporting | 3 | Expired |
| US4327652A | Button clamp assembly | Textiles; Paper | 2 | Expired |
| US4094259A | Button orientating lifting mechanism | Textiles; Paper | 1 | Expired |
| US4165700A | Thread separating finger | Textiles; Paper | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.