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Microphonograph record
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Patent number 4,298,976
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Issue date Nov 3, 1981
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Ronald D. Irvin
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G11 - INFORMATION STORAGE
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Film cartridge
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Patent number 4,198,134
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Issue date Apr 15, 1980
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Montron Corporation
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Werner W. Ciupke
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Bedside drainage bag
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Patent number 4,192,295
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Issue date Mar 11, 1980
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M.U. Engineering & Mfg. Co.
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Hugh P. Sherlock
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Combination viewer and projector
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Patent number 4,185,899
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Issue date Jan 29, 1980
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Action Films, Inc.
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Hugh P. Sherlock
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Flower pot construction
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Patent number 4,138,803
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Issue date Feb 13, 1979
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M.U. Engineering & Manufacturing Inc.
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Hugh P. Sherlock
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Skin fold caliper
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Patent number 4,127,112
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Issue date Nov 28, 1978
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American Hospital Supply Corp.
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Hugh P. Sherlock
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE