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Joseph K. Katzenberger
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Lebanon, NJ, US
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last 30 patents
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Patent Grant
Apparatus and method for driving diffraction gratings
Patent number
5,767,965
Issue date
Jun 16, 1998
Instruments SA, Inc.
Andy Zhou
G01 - MEASURING TESTING
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Patent Grant
Apparatus for preparation of samples for spectrographic analysis
Patent number
5,346,381
Issue date
Sep 13, 1994
Instruments SA, Inc.
Joseph Marcovecchio
B30 - PRESSES
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Patent Grant
Apparatus for preparation of samples for spectrographic analysis
Patent number
5,198,241
Issue date
Mar 30, 1993
Spex Industries, Inc.
Joseph Marcovecchio
B30 - PRESSES