Inventor
WALTER KARL-HEINZ
14 patents
⚠️ This page may combine multiple inventors who share the name “WALTER KARL-HEINZ”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIEMENS AG
7 patentsUS4247174AJan 27, 1981
Liquid crystal cell
SIEMENS AG33 citations92
US4364640ADec 21, 1982
Arrangement for brightness gains of passive display units
SIEMENS AG14 citations73
US4105288AAug 8, 1978
Liquid crystal display with bistable cholesteric liquid crystal layer
SIEMENS AG8 citations72
US4392131AJul 5, 1983
Integratable activation module for passive electrooptical displays
SIEMENS AG6 citations62
US4322657AMar 30, 1982
Gas-discharge display device
SIEMENS AG3 citations62
US4291304ASep 22, 1981
Electro-optical display device
SIEMENS AG6 citations62
US4269480AMay 26, 1981
Process and apparatus for displaying an image in front of an optical contrasting background
SIEMENS AG1 citations51
Demptos Glass Company
5 patentsUSD393803SApr 28, 1998
Bottle with wavy sides
Demptos Glass Company35 citations91
USD390779SFeb 17, 1998
Bottle shaped like a woman
Demptos Glass Company39 citations91
USD398237SSep 15, 1998
Bottle
Demptos Glass Company11 citations72
USD390780SFeb 17, 1998
Bottle in the shape of a man
Demptos Glass Company12 citations72
USD390456SFeb 10, 1998
Moon-shaped bottle
Demptos Glass Company3 citations61