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Tube end squaring tool
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Patent number D383960
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Issue date Sep 23, 1997
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Tri Tool, Inc.
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William E. Sandford
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D08 - Tools and hardware
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Gear driven tube cutter
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Patent number 4,802,278
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Issue date Feb 7, 1989
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Tri Tool, Inc.
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Jerald Vanderpol
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Tube cutter
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Patent number D281249
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Issue date Nov 5, 1985
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Tri Tool, Inc.
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Lawson H. Nall
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D15 - Machines not elsewhere specified
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Portable tube end preparation tool
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Patent number 4,470,734
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Issue date Sep 11, 1984
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Tri Tool, Inc.
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Richard E. Miller
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Tool carrier for portable lathe
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Patent number 4,437,366
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Issue date Mar 20, 1984
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Tri Tool, Inc.
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William H. Astle
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Elbow mandrel
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Patent number 4,246,814
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Issue date Jan 27, 1981
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Tri Tool, Inc.
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John E. Pertle
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Elbow mandrel arrangement
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Patent number 4,245,529
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Issue date Jan 20, 1981
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Tri Tool, Inc.
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William H. Astle
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Cam follower tool arrangement
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Patent number 4,207,786
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Issue date Jun 17, 1980
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Tri Tool, Inc.
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William H. Astle
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Elbow mandrel arrangement
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Patent number 4,169,396
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Issue date Oct 2, 1979
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Tri Tool, Inc.
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William H. Astle
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR