Daniel H. Marcus
5Patents
5h-index
5Co-inventors
56Inventor score
Filing activity: Feb 21, 1975 → Aug 12, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4553837A | Roll fingerprint processing apparatus | Physics | 57 | Expired |
| US5736734A | Liquid platen fingerprint image enhancement | Physics | 42 | Expired |
| US4783167A | Finger imaging apparatus using curved platen | Human Necessities | 39 | Expired |
| US4787742A | Direct finger reading | Physics | 35 | Expired |
| US3990317A | Mechanism for conversion between rotary and linear motion | Emerging Cross-Sectional Technologies | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.