P
PatentIndex
Search
Landscape
Sign in
Inventor
WITKOWICZ TADEUSZ
4 patents
⚠️ This page may combine multiple inventors who share the name “WITKOWICZ TADEUSZ”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ARTEL COMMUNICATIONS CORP
2 patents
US5107490A
Apr 21, 1992
Ring-type communication network
ARTEL COMMUNICATIONS CORP
48 citations
91
US5295012A
Mar 15, 1994
Ring-type communication network
ARTEL COMMUNICATIONS CORP
27 citations
88
(unassigned)
1 patent
US5465254A
Nov 7, 1995
Ring-type communication network
42 citations
91
NORTHERN TELECOM LTD
1 patent
US4139767A
Feb 13, 1979
Photodetector with improved signal-to-noise ratio
NORTHERN TELECOM LTD
32 citations
89