Inventor · disambiguated record
John D. Duncan
Also filed as: DUNCAN II JOHN D · DUNCAN JOHN D
3 granted patents·49 citations·filing 1975–1999
73Inventor score
Top patents by PatentIndex Score
3 records- 0168US4119914ADouble balanced mixer using single ferrite coreDANA CORP·Filed 1977·Granted Oct 10, 1978·14 cites·8 claims
- 0251US4052785AMethod of making a transformer assemblyDANA CORP·Filed 1975·Granted Oct 11, 1977·10 cites·3 claims
- 0348US6439070B1Rib assembly for a crash test dummyAPPLIED SAFETY TECHNOLOGIES CO·Filed 1999·Granted Aug 27, 2002·25 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →