Individual holder
WARMAN BLOOMFIELD J
GB·4 granted patents·41 citations·filing 1978–1982
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0179US4232198ADevice for establishing conference calls via at least one telephone exchange switching systemWARMAN BLOOMFIELD J·Filed 1978·Granted Nov 4, 1980·22 cites·10 claims
- 0269US4320257ACompensation of transmission losses in a telephone systemWARMAN BLOOMFIELD J·Filed 1979·Granted Mar 16, 1982·14 cites·11 claims
- 0337US4467143ATelephone conference amplifiers, and telephone conference bridges incorporating the sameWARMAN BLOOMFIELD J·Filed 1982·Granted Aug 21, 1984·5 cites·3 claims
- 0427US4435621ASpeech direction detection circuits for telephone communication devicesWARMAN BLOOMFIELD J·Filed 1981·Granted Mar 6, 1984·0 cites·11 claims
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