David E. Blair

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Chester Springs, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
System for replenishing liquid electrostatic developer
- Patent number 5,471,287
- Issue date Nov 28, 1995
- E. I. Du Pont de Nemours and Company
- David E. Blair
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Use of high percent solids for improved liquid toner preparation
- Patent number 4,923,778
- Issue date May 8, 1990
- D X Imaging
- David E. Blair
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY