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Phillip A. Hartley
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Vestal, NY, US
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last 30 patents
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Patent Grant
Method and apparatus for the cross-sectional design of multi-layer...
Patent number
5,546,321
Issue date
Aug 13, 1996
International Business Machines Corporation
Chi S. Chang
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Method and apparatus for the cross-sectional design of multi-layer...
Patent number
5,519,633
Issue date
May 21, 1996
International Business Machines Corporation
Chi S. Chang
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Photo method of making tri-level density photomask
Patent number
4,374,911
Issue date
Feb 22, 1983
International Business Machines Corporation
Phillip A. Hartley
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY