Inventor · disambiguated record
Spencer A. Stone
Also filed as: STONE SPENCER · STONE SPENCER A
4 granted patents·1 pending application·59 citations·filing 1975–2024
77Inventor score
Top patents by PatentIndex Score
5 records- 0173US4033863AApparatus for separating high gravity from low gravity fractions of a coal or an oreDEISTER CONCENTRATOR·Filed 1975·Granted Jul 5, 1977·27 cites·10 claims
- 0256US4521302AEnd elevation adjustment of material separating tablesSTONE SPENCER A·Filed 1984·Granted Jun 4, 1985·18 cites·8 claims
- 0355USD786518SRake for toysSZEKELY MICHAEL·Filed 2014·Granted May 9, 2017·11 cites·1 claims
- 0453US2024236609A1Method of using iir filters for the purpose of allowing one audio sound to adopt the same spectral characteristic of another audio soundAUDIO IMPRESSIONS INC·Filed 2024·Application pending·0 cites
- 0530US4080840AVibrator deviceDEISTER CONCENTRATOR·Filed 1976·Granted Mar 28, 1978·3 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →