David M. Johns

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Lakeside, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Four KHz gas discharge laser system
- Patent number 6,882,674
- Issue date Apr 19, 2005
- Cymer, Inc.
- Christian J. Wittak
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Four KHz gas discharge laser
- Patent number 6,757,316
- Issue date Jun 29, 2004
- Cymer, Inc.
- Peter C. Newman
- G01 - MEASURING TESTING
Information Patent Grant
High speed magnetic modulator voltage and temperature timing compen...
- Patent number 6,327,286
- Issue date Dec 4, 2001
- Cymer, Inc.
- Richard M. Ness
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Four KHz gas discharge laser system
- Publication number 20030118072
- Publication date Jun 26, 2003
- Christian J. Wittak
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Four KHz gas discharge laser
- Publication number 20020021728
- Publication date Feb 21, 2002
- Peter C. Newman
- G01 - MEASURING TESTING