Roy C. Spain
1Patents
1h-index
3Co-inventors
25Inventor score
Filing activity: Dec 13, 1977 → Dec 13, 1977
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USRE30198E | Cylinder lock | General | 23 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.