Inventor
WIESSNER WILLI
DE5 patents
Patents
5 patentsUS4572612AFeb 25, 1986
Photographic objective with a fastening device
LEITZ ERNST GMBH12 citations70
US4199248AApr 22, 1980
Selective coupling system for cameras
LEITZ ERNST GMBH19 citations70
US4180312ADec 25, 1979
Photographic camera with through the lens exposure meter
LEITZ ERNST GMBH4 citations61
US4181419AJan 1, 1980
Interchangeable lens for SLR-cameras having TTL light metering
LEITZ ERNST GMBH5 citations59
US4172651AOct 30, 1979
Single lens mirror reflex camera with automated aperture and timing control
LEITZ ERNST GMBH4 citations54