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Dripless valve
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Patent number 4,516,702
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Issue date May 14, 1985
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Copar Corporation
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Robert W. Schmidt
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Glue detector
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Patent number 4,389,969
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Issue date Jun 28, 1983
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Copar Corporation
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Keith R. Johnson
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
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Jam detector
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Patent number 4,258,250
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Issue date Mar 24, 1981
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Copar Corporation
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Stephen R. Schmidt
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Jam detector
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Patent number 4,112,379
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Issue date Sep 5, 1978
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Copar Corporation
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Stephen R. Schmidt
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Voltage to air pressure transducer
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Patent number 4,084,539
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Issue date Apr 18, 1978
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Copar Corporation
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Robert W. Schmidt
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
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Corrugator control system
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Patent number 3,970,489
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Issue date Jul 20, 1976
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Copar Corporation
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Robert W. Schmidt
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Jam detection circuit
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Patent number 3,944,933
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Issue date Mar 16, 1976
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Copar Corporation
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Jack R. Gallet
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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72353439 - COPAR
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Serial number 72353439
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Registration number 907976
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Filing date Mar 9, 1970
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COPAR CORPORATION
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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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72112442 - SKY CROQUET
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Serial number 72112442
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Registration number 735597
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Filing date Jan 25, 1961
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COPAR
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28 - Games and playthings