Chester A. Thayer II

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Wilmington, DE, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for making improved metal stencil screens for screen printing
- Patent number 5,573,815
- Issue date Nov 12, 1996
- E. I. Du Pont de Nemours and Company
- Allan Cairncross
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Process for making improved metal stencil screens for screen printing
- Patent number 5,447,757
- Issue date Sep 5, 1995
- E. I. Du Pont de Nemours and Company
- Allan Cairncross
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for making metal ledge on stencil screen
- Patent number 5,322,763
- Issue date Jun 21, 1994
- E. I. Du Pont de Nemours and Company
- Allan Cairncross
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for defined etching of substrates
- Patent number 5,043,244
- Issue date Aug 27, 1991
- E. I. Du Pont de Nemours and Company
- Allan Cairncross
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY