Paul Chipman

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Pflugerville, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for evaluating the runability of a photomask i...
- Patent number 6,721,695
- Issue date Apr 13, 2004
- Dupont Photomasks, Inc.
- Xiaoming Chen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for evaluating the runability of a photomask i...
- Patent number 6,482,557
- Issue date Nov 19, 2002
- Dupont Photomasks, Inc.
- Xiaoming Chen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY