P
PatentIndex
Search
Landscape
Sign in
Inventor
POPEK GERALD J
US
2 patents
Patents
2 patents
US4747040A
May 24, 1988
Dual operating system computer
AMERICAN TELEPHONE & TELEGRAPH
153 citations
94
US4744048A
May 10, 1988
Display context switching arrangement
AMERICAN TELEPHONE & TELEGRAPH
20 citations
77