Assignee
WALDMAN HERBERT
US·4 granted patents·439 citations·filing 1989–1990
Top patents by PatentIndex Score
4 records- 0195US5311175AMethod and apparatus for pre-identification of keys and switchesWALDMAN HERBERT·Filed 1990·Granted May 10, 1994·336 cites·18 claims
- 0280US5168517AApparatus and methods for selectively forwarding telephone callsWALDMAN HERBERT·Filed 1989·Granted Dec 1, 1992·61 cites·9 claims
- 0363US5274693AAbbreviated and enhanced dialing apparatus and methods particularly adapted for cellular or other types of telephone systemsWALDMAN HERBERT·Filed 1990·Granted Dec 28, 1993·33 cites·12 claims
- 0446US5131031AHold circuits for telephone systemsWALDMAN HERBERT·Filed 1989·Granted Jul 14, 1992·9 cites·48 claims
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