Inventor
WONG WAN C
HK7 patents
Patents
7 patentsUS4455074AJun 19, 1984
Automatic film rewinding camera
HAKING W ETS LTD34 citations91
US4449806AMay 22, 1984
Film advance mechanism for disc camera
HAKING W ETS LTD21 citations81
US4529283AJul 16, 1985
Camera with turret lens and variable frame viewfinder
HAKING W ETS LTD16 citations72
US4525048AJun 25, 1985
Automatic slot positioning device for camera take-up spool
HAKING W ETS LTD11 citations72
US4505563AMar 19, 1985
Electronic shutter for still cameras
HAKING W ETS LTD10 citations72
US4623232ANov 18, 1986
Camera with improved film leader capturing means
HAKING W ETS LTD5 citations61
US4525051AJun 25, 1985
Still camera with pressure plate control device
HAKING W ETS LTD4 citations61