Inventor · disambiguated record
David H. Spielberg
Also filed as: SPIELBERG DAVID H
3 granted patents·88 citations·filing 1972–1974
74Inventor score
Files withUNIVERSAL OIL PROD CO3
Top patents by PatentIndex Score
3 records- 0188US3968786ASolar heat absorbing tubingUNIVERSAL OIL PROD CO·Filed 1974·Granted Jul 13, 1976·55 cites·7 claims
- 0277US4018943AMethod of forming a conducting material for a conducting deviceUNIVERSAL OIL PROD CO·Filed 1972·Granted Apr 19, 1977·23 cites·12 claims
- 0358US3973234APrecision type resistorUNIVERSAL OIL PROD CO·Filed 1974·Granted Aug 3, 1976·10 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →