David E. Stepner
7Patents
6h-index
11Co-inventors
56Inventor score
Filing activity: Jun 18, 1975 → Aug 23, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3961425A | Temperature control system for textile tenter frame apparatus | Mechanical Engineering; Lighting; Heating | 38 | Expired |
| US5138368A | Fabrication of printed wiring boards by projection imaging | Physics | 26 | Expired |
| US4424813A | Multi-mode ultrasound scanner | Physics | 19 | Expired |
| US5347913A | Portable bicycle pump having collapsible handle and footstand | Performing Operations; Transporting | 18 | Expired |
| US4818098A | Apparatus and method of forming and projecting high precision optical images | Physics | 16 | Expired |
| US5085506A | Apparatus and method of forming and projecting high precision optical images | Physics | 13 | Expired |
| US4969734A | Apparatus and method of forming and projecting high precision optical images | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.