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Inventor
MORTIMER LARRY
US
5 patents
⚠️ This page may combine multiple inventors who share the name “MORTIMER LARRY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOLLGRADE COMMUNICATIONS INC
3 patents
US6453015B1
Sep 17, 2002
Telephony testing system
TOLLGRADE COMMUNICATIONS INC
17 citations
85
US6320939B1
Nov 20, 2001
Remote telephony testing device
TOLLGRADE COMMUNICATIONS INC
9 citations
70
US6650732B2
Nov 18, 2003
Telephony testing system
TOLLGRADE COMMUNICATIONS INC
1 citations
45
BELL OF PENNSYLVANIA
2 patents
US4760379A
Jul 26, 1988
Fail-safe high temperature alarm
BELL OF PENNSYLVANIA
10 citations
63
US4777644A
Oct 11, 1988
Method and apparatus for testing telephone coin relays
BELL OF PENNSYLVANIA
3 citations
59