P
PatentIndex
Search
Landscape
Sign in
Inventor
OVERMYER RICK L
US
2 patents
Patents
2 patents
US5022070A
Jun 4, 1991
Switch-adjunct interface
AT & T BELL LAB
16 citations
69
US4980906A
Dec 25, 1990
Switch-adjunct interface
AT & T BELL LAB
19 citations
69