Donald E. Koopman

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Miami Township, Miami County, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Camera system and power supply
- Patent number 4,676,617
- Issue date Jun 30, 1987
- Med-Tech Products, Inc.
- William L. Buirley
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Thermographic cholesteric coating compositions and plates
- Patent number 4,501,503
- Issue date Feb 26, 1985
- Vectra International Corporation
- William L. Buirley
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Thermographic cholesteric coating compositions and plates
- Patent number 4,441,508
- Issue date Apr 10, 1984
- Vectra International Corporation
- William L. Buirley
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Microencapsulated cholesteric liquid crystal temperature measuring...
- Patent number 4,433,637
- Issue date Feb 28, 1984
- Vectra International Corporation
- William L. Buirley
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Thermographic cholesteric coating compositions
- Patent number 4,301,054
- Issue date Nov 17, 1981
- Thermal Imagery, Inc.
- William L. Buirley
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...