Inventor · disambiguated record
Ronald D. Biggs
Also filed as: BIGGS RONALD D · BIGGS RONALD DEE
3 granted patents·91 citations·filing 1977–1980
74Inventor score
Files withBELL TELEPHONE LABOR INC3
Top patents by PatentIndex Score
3 records- 0188US4090038AAudio signal on hold circuitBELL TELEPHONE LABOR INC·Filed 1977·Granted May 16, 1978·50 cites·5 claims
- 0276US4143287APhoto coupling line isolation circuitBELL TELEPHONE LABOR INC·Filed 1977·Granted Mar 6, 1979·18 cites·8 claims
- 0370US4317964AOff-hook/on-hook status check circuitBELL TELEPHONE LABOR INC·Filed 1980·Granted Mar 2, 1982·23 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →