John B. Covington

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Bethlehem, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Deep UV photoresist with alkyl 2-diazo-1-ones as solubility modific...
- Patent number 4,959,293
- Issue date Sep 25, 1990
- J. T. Baker, Inc.
- George Schwartzkopf
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY