William Simpson

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Centerville, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Sulfonated-ethylene oxide dispersants for use in preparing amine-fo...
- Patent number 4,977,059
- Issue date Dec 11, 1990
- The Mead Corporation
- Rong-Chang Liang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light-sensitive polymerizable compositions containing silver compounds
- Patent number 4,910,115
- Issue date Mar 20, 1990
- The Mead Corporation
- William H. Simpson
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Microcapsule imaging system having improved dynamic range
- Patent number 4,840,866
- Issue date Jun 20, 1989
- The Mead Corporation
- Kerry Kovacs
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY