Dean S. Ehn

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Boulder, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Electrophotographic photoconductor contains ordered copolyester pol...
- Patent number 5,130,215
- Issue date Jul 14, 1992
- Lexmark International, Inc.
- James M. Adley
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Hot roll fuser and method of making a fuser roll
- Patent number 4,755,400
- Issue date Jul 5, 1988
- International Business Machines Corporation
- Lawrence P. Dempsey
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY