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3771437
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Patent number 3,771,437
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Issue date Nov 13, 1973
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B30 - PRESSES
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3742842
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Patent number 3,742,842
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Issue date Jul 3, 1973
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3550476
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Patent number 3,550,476
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Issue date Dec 29, 1970
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B30 - PRESSES
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3453687
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Patent number 3,453,687
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Issue date Jul 8, 1969
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B30 - PRESSES
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3248924
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Patent number 3,248,924
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Issue date May 3, 1966
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3222767
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Patent number 3,222,767
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Issue date Dec 14, 1965
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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2386943
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Patent number 2,386,943
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Issue date Oct 16, 1945
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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2203549
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Patent number 2,203,549
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Issue date Jun 4, 1940
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B30 - PRESSES