Harry J. Copeland

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Springfield, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Waste water cleaning system for use with apparatus for processing e...
- Patent number 4,752,283
- Issue date Jun 21, 1988
- Western Litho Plate & Supply Co.
- Harry J. Copeland
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Photographic printing method and apparatus
- Patent number 4,614,425
- Issue date Sep 30, 1986
- Western Litho Plate & Supply Co.
- Harry J. Copeland
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic printing
- Patent number 4,575,233
- Issue date Mar 11, 1986
- Western Litho Plate & Supply Co.
- Harry J. Copeland
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Post exposure method for enhancing durability of negative working l...
- Publication number 20030118944
- Publication date Jun 26, 2003
- Western Litho Plate & Supply Co.
- Harry Copeland
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY