Inventor
NELSON EDWARD I
US17 patents
⚠️ This page may combine multiple inventors who share the name “NELSON EDWARD I”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BURROUGHS CORP
8 patentsUS4379968AApr 12, 1983
Photo-optical keyboard having light attenuating means
BURROUGHS CORP72 citations95
US4314113AFeb 2, 1982
Keyswitch having contacts mounted on cantilever beams
BURROUGHS CORP7 citations73
US4292515ASep 29, 1981
Reconfigurable photo-electric keyboard having removable keys
BURROUGHS CORP9 citations73
US4292517ASep 29, 1981
Photo-optical keyboard providing tactile feel
BURROUGHS CORP7 citations73
US4356613ANov 2, 1982
Key top for automatic assembly for keyboard apparatus
BURROUGHS CORP2 citations62
US4292516ASep 29, 1981
Photo-optical keyboard having debris protection
BURROUGHS CORP3 citations62
US4278965AJul 14, 1981
Photo-optical keyboard having n-key rollover
BURROUGHS CORP4 citations60
US4291225ASep 22, 1981
Molded plastic photo-optical keyboard
BURROUGHS CORP0 citations51