Inventor
GRASSL ERWIN
9 patents
⚠️ This page may combine multiple inventors who share the name “GRASSL ERWIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIEMENS AG
7 patentsUS4634810AJan 6, 1987
Station for the accommodation of a chargeable cordless telephone
SIEMENS AG26 citations90
US4717817AJan 5, 1988
Chip card reader
SIEMENS AG40 citations89
US4318587AMar 9, 1982
Electrically actuated switch for light waveguides
SIEMENS AG23 citations80
US4731836AMar 15, 1988
Telephone set for table-top and wall operation
SIEMENS AG5 citations61
US4839921AJun 13, 1989
Telephone station comprising an optical display device
SIEMENS AG2 citations59
US4794242ADec 27, 1988
Chip card reader
SIEMENS AG4 citations59
US4810066AMar 7, 1989
Cover for telecommunications equipment
SIEMENS AG1 citations50