Richard Stevenson

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Mesa, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Polyisocyanate-based foam and blowing agent therefor
- Patent number 5,684,056
- Issue date Nov 4, 1997
- Intercool Energy Corporation
- Richard Stevenson
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Mixed gas R-12 refrigeration apparatus
- Patent number 5,622,644
- Issue date Apr 22, 1997
- Intercool Energy
- Richard Stevenson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for forming polyisocyantate-based foam and product formed t...
- Patent number 5,602,189
- Issue date Feb 11, 1997
- Intercool Energy Corporation
- Richard Stevenson
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Substitute refrigerant for dichlorodifluoromethane refrigeration sy...
- Patent number 5,425,890
- Issue date Jun 20, 1995
- APD Cryogenics, Inc.
- Boris V. Yudin
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...