Inventor · disambiguated record
Bradley A. Helliwell
Also filed as: HELLIWELL BRADLEY A · LING ALEXANDER C
4 granted patents·57 citations·filing 1977–1980
76Inventor score
Files withTRW INC4
Top patents by PatentIndex Score
4 records- 0183US4288870AIntegrated telephone transmission and switching systemTRW INC·Filed 1978·Granted Sep 8, 1981·30 cites·31 claims
- 0263US4133979AMultifrequency sender/receiver in a multi-time slot digital data streamTRW INC·Filed 1977·Granted Jan 9, 1979·15 cites·10 claims
- 0348US4407020AAutomatic compensation circuit and methodTRW INC·Filed 1980·Granted Sep 27, 1983·10 cites·8 claims
- 0435US4178478ASubscriber terminal for use in a TDM switching systemTRW INC·Filed 1978·Granted Dec 11, 1979·2 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →