P
PatentIndex
Search
Landscape
Sign in
Inventor
RAMOS OZZIE F
US
2 patents
Patents
2 patents
US4670747A
Jun 2, 1987
Alphanumeric entry system having an electronic lock feature
MOTOROLA INC
94 citations
92
US4667191A
May 19, 1987
Serial link communications protocol
MOTOROLA INC
33 citations
89