Inventor · disambiguated record
Charles W. Perry
Also filed as: PERRY CHARLES W · PERRY II CHARLES WITHEY
4 granted patents·1 pending application·37 citations·filing 2000–2021
71Inventor score
Top patents by PatentIndex Score
5 records- 0184US6786965B2Organic pigment dispersion for coloring building materialsSUN CHEMICAL CORP·Filed 2000·Granted Sep 7, 2004·29 cites·13 claims
- 0269US7999017B2Method for coloring building materials using a cationic pigment dispersionSUN CHEMICAL CORP·Filed 2010·Granted Aug 16, 2011·1 cites·20 claims
- 0365US7282263B2Method for coloring cellulosic materials using cationic pigment dispersionSUN CHEMICAL CORP·Filed 2002·Granted Oct 16, 2007·7 cites·19 claims
- 0442US11927316B2Sign post flasher assemblyTRAFFICALM SYSTEMS LLC·Filed 2021·Granted Mar 12, 2024·0 cites·20 claims
- 0536US2005014868A1Method for coloring building materials using a cationic pigment dispersionFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →