Donald W. Edwards

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St. Paul, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Ink receptive transparency sheet
- Patent number 4,956,230
- Issue date Sep 11, 1990
- Minnesota Mining and Manufacturing Company
- Donald W. Edwards
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Construction for transparency film for plain paper copiers
- Patent number 4,480,003
- Issue date Oct 30, 1984
- Minnesota Mining and Manufacturing Company
- Donald W. Edwards
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY