Traugott Liermann
8Patents
4h-index
14Co-inventors
50Inventor score
Filing activity: May 2, 1977 → Apr 27, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4731639A | Microfilm pickup camera with marking means for screened originals | Performing Operations; Transporting | 15 | Expired |
| US5249754A | Method of and arrangement for gripping starting portion of coiled film | Physics | 7 | Expired |
| US4115000A | Apparatus for notching of webs | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5200603A | Source distance adjustment arrangement for uniform illumination of projection surface | Physics | 4 | Expired |
| US4115001A | Web marking apparatus | Physics | 2 | Expired |
| US4118121A | Continuous microfilm camera | Physics | 1 | Expired |
| US5214469A | Method of and arrangement for reenlargement of microfilmed originals | Physics | 1 | Expired |
| US5003343A | Projection copying apparatus and projection screen therefor | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.