Fritz Lehmann
2Patents
2h-index
5Co-inventors
37Inventor score
Filing activity: May 6, 1975 → Oct 21, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3971624A | Controllable electrochromic indicator device with ionic conducting intermediate layer and non-polarizable electrodes | Physics | 50 | Expired |
| US5245792A | Machining center for grinding workpieces with complex shaped surfaces | Emerging Cross-Sectional Technologies | 13 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.