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3925882
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Patent number 3,925,882
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Issue date Dec 16, 1975
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H01 - BASIC ELECTRIC ELEMENTS
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3837066
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Patent number 3,837,066
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Issue date Sep 24, 1974
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3736656
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Patent number 3,736,656
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Issue date Jun 5, 1973
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H01 - BASIC ELECTRIC ELEMENTS
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3623221
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Patent number 3,623,221
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Issue date Nov 30, 1971
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3618205
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Patent number 3,618,205
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Issue date Nov 9, 1971
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H01 - BASIC ELECTRIC ELEMENTS
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3514850
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Patent number 3,514,850
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Issue date Jun 2, 1970
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3472944
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Patent number 3,472,944
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Issue date Oct 14, 1969
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3465429
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Patent number 3,465,429
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Issue date Sep 9, 1969
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3465430
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Patent number 3,465,430
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Issue date Sep 9, 1969
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3278344
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Patent number 3,278,344
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Issue date Oct 11, 1966
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...