Inventor
WELZEL HERBERT
DD4 patents
Patents
4 patentsUS4396264AAug 2, 1983
Monocular reflex camera
PENTACON DRESDEN VEB1 citations42
US4426146AJan 17, 1984
Focal-plane leaf shutter
PENTACON DRESDEN VEB0 citations35
US4396265AAug 2, 1983
Monocular reflex camera having reflex mirror stop adjustment
PENTACON DRESDEN VEB0 citations35
US4135799AJan 23, 1979
Photographic camera with flashlight contacts
PENTACON DRESDEN VEB0 citations30