Donald J. Zach
3Patents
3h-index
11Co-inventors
47Inventor score
Filing activity: Sep 29, 1975 → Jan 22, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4033459A | Modular bicycle rack | Performing Operations; Transporting | 20 | Expired |
| US4264946A | Electric light fixture | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5357414A | Modular cantilevered electrical light fixture | Mechanical Engineering; Lighting; Heating | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.