Inventor · disambiguated record
Richard J. Pratt
Also filed as: PRATT RICHARD J · PRATT RICHARD JOHN
3 granted patents·91 citations·filing 1970–1986
73Inventor score
Top patents by PatentIndex Score
3 records- 0191US4738726ATreatment of clays with cationic polymers to prepare high bulking pigmentsENGELHARD CORP·Filed 1986·Granted Apr 19, 1988·69 cites·46 claims
- 0276US3941808AProductATLANTIC RICHFIELD CO·Filed 1970·Granted Mar 2, 1976·18 cites·9 claims
- 0332US4043811AConversion solutions for planographic mastersADDRESSOGRAPH MULTIGRAPH·Filed 1976·Granted Aug 23, 1977·4 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →