Walter E. Perkins, Jr.
2Patents
2h-index
2Co-inventors
30Inventor score
Filing activity: Apr 8, 1977 → Aug 22, 1983
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4123661A | Contrast enhancement of electron beam alignment marks | Electricity | 72 | Expired |
| US4560878A | Electron and ion beam-shaping apparatus | Electricity | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.