Harold B. Parkinson

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Gardner, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Printing ink emulsion
- Patent number 4,981,517
- Issue date Jan 1, 1991
- Ronald F. DeSanto
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Hydrocarbon fuel composition
- Patent number 4,410,334
- Issue date Oct 18, 1983
- Harold B. Parkinson
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Printing ink composition
- Patent number 4,045,232
- Issue date Aug 30, 1977
- Topar Products Corporation
- Harold B. Parkinson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...