Raymond E. Imperial
3Patents
3h-index
2Co-inventors
36Inventor score
Filing activity: Apr 3, 1975 → Nov 6, 1981
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3987588A | Metal door assembly and method of production | Fixed Constructions | 28 | Expired |
| USD257393S | Metal door | General | 18 | Expired |
| USD273090S | Threshold seal for a door astragal | General | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.