Stephen Helesfai
3Patents
3h-index
3Co-inventors
36Inventor score
Filing activity: Jan 7, 1987 → Feb 5, 1988
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4776190A | Radiological detection resistant key changeable combination lock | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4796446A | Radiological detection resistant combination lock | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4803859A | Tumbler wheel structure for radiological detector resistant combination lock | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.