Inventor · disambiguated record
Spencer B. Larson
Also filed as: LARSON SPENCER B · LARSON SPENCER BRIAN
6 granted patents·539 citations·filing 1975–1993
88Inventor score
Top patents by PatentIndex Score
6 records- 0196US4426362ASolid block detergent dispenserECONOMICS LAB·Filed 1981·Granted Jan 17, 1984·256 cites·25 claims
- 0290US5344074ADispensing apparatus having a removable variable proportioning and metering deviceECOLAB INC·Filed 1993·Granted Sep 6, 1994·90 cites·32 claims
- 0390US4063663APowdered detergent dispenserECONOMICS LAB·Filed 1975·Granted Dec 20, 1977·77 cites·15 claims
- 0489US4733798AMethod and apparatus for controlling the concentration of a chemical solutionECOLAB INC·Filed 1986·Granted Mar 29, 1988·81 cites·12 claims
- 0569USD248103SPowder detergent dispenserECONOMICS LAB·Filed 1975·Granted Jun 6, 1978·10 cites·1 claims
- 0667US4571327ASolid cast detergent dispenser with insert for holding noncompatible chemicalECONOMICS LAB·Filed 1984·Granted Feb 18, 1986·25 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →