Inventor · disambiguated record
Donald S. Sperber
Also filed as: SPERBER DONALD S
2 granted patents·2 pending applications·40 citations·filing 1992–2017
57Inventor score
Top patents by PatentIndex Score
4 records- 0167US5323897APortable enclosure - self-contained for wet articlesSPERBER DONALD S·Filed 1992·Granted Jun 28, 1994·40 cites·6 claims
- 0256US9580655B1Flame-retardant formulations and methods relating theretoNTOFR LLC·Filed 2016·Granted Feb 28, 2017·0 cites·12 claims
- 0356US2015090945A1Flame-retardant formulations and methods relating theretoSPERBER DONALD S·Filed 2014·Application pending·0 cites
- 0447US2017130069A1Flame-retardant formulations and methods relating theretoNTOFR LLC·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →