Inventor · disambiguated record
Willi Wiessner
Also filed as: KEINER FRITZ · WIESSNER WILLI
5 granted patents·44 citations·filing 1977–1983
79Inventor score
Files withLEITZ ERNST GMBH5
Top patents by PatentIndex Score
5 records- 0185US4199248ASelective coupling system for camerasLEITZ ERNST GMBH·Filed 1977·Granted Apr 22, 1980·19 cites·3 claims
- 0257US4181419AInterchangeable lens for SLR-cameras having TTL light meteringLEITZ ERNST GMBH·Filed 1977·Granted Jan 1, 1980·5 cites·3 claims
- 0354US4180312APhotographic camera with through the lens exposure meterLEITZ ERNST GMBH·Filed 1978·Granted Dec 25, 1979·4 cites·13 claims
- 0453US4172651ASingle lens mirror reflex camera with automated aperture and timing controlLEITZ ERNST GMBH·Filed 1978·Granted Oct 30, 1979·4 cites·14 claims
- 0549US4572612APhotographic objective with a fastening deviceLEITZ ERNST GMBH·Filed 1983·Granted Feb 25, 1986·12 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →