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Highly stable low noise CCD spectrograph
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Patent number 5,235,184
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Issue date Aug 10, 1993
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Spex Industries, Inc.
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Albert M. Paulson
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Czerny-Turner monochromator
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Patent number 5,192,981
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Issue date Mar 9, 1993
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Spex Industries, Inc.
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Warren S. Slutter
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G01 - MEASURING TESTING
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Primary standards
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Patent number 3,997,296
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Issue date Dec 14, 1976
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Spex Industries Inc.
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Warren V. Miller
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G01 - MEASURING TESTING
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74062323 - FLUOROMAX
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Serial number 74062323
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Registration number 1641143
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Filing date May 24, 1990
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SPEX INDUSTRIES, INC.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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73461798 - SPEX
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Serial number 73461798
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Registration number 1312902
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Filing date Jan 20, 1984
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SPEX INDUSTRIES, INC.
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1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
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73402398 - COMPUDRIVE
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Serial number 73402398
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Filing date Nov 12, 1982
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SPEX INDUSTRIES, INC.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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73402399 - SPECTRAMATE
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Serial number 73402399
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Filing date Nov 12, 1982
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SPEX INDUSTRIES, INC.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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73402400 - MICRAMATE
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Serial number 73402400
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Filing date Nov 12, 1982
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SPEX INDUSTRIES, INC.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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73402397 - MINIDRIVE
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Serial number 73402397
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Filing date Nov 12, 1982
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SPEX INDUSTRIES, INC.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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73097555 - FLUOROLOG
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Serial number 73097555
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Registration number 1096568
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Filing date Aug 23, 1976
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SPEX INDUSTRIES, INC.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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72374605 - MINIMATE
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Serial number 72374605
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Registration number 928270
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Filing date Oct 28, 1970
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SPEX INDUSTRIES, INC.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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72344024 - UVISIR
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Serial number 72344024
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Registration number 896012
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Filing date Nov 19, 1969
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SPEX INDUSTRIES, INC.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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72303357 - RAMALOG
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Serial number 72303357
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Registration number 879916
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Filing date Jul 22, 1968
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SPEX INDUSTRIES, INC.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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72248931 - SPEX
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Serial number 72248931
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Registration number 842388
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Filing date Jun 24, 1966
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SPEX INDUSTRIES INC.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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72135918 - SHATTERBOX
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Serial number 72135918
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Registration number 740575
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Filing date Jan 16, 1962
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SPEX INDUSTRIES, INC.
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7 - Machines and machine tools
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73337799 - DATAMATE
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SPEX INDUSTRIES, INC.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments