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Lightweight drive shaft
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Patent number 5,320,580
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Issue date Jun 14, 1994
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Joseph A. Simon
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Light weight drive shaft
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Patent number 5,241,848
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Issue date Sep 7, 1993
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Joseph A. Simon
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Light weight drive shaft
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Patent number 5,105,644
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Issue date Apr 21, 1992
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Joseph A. Simon
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Tubular drive shaft
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Patent number 5,070,743
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Issue date Dec 10, 1991
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Joseph A. Simon
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Elongated, lightweight rack
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Patent number 5,069,080
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Issue date Dec 3, 1991
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Joseph A. Simon
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Method for forming well drill tubing
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Patent number 4,487,357
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Issue date Dec 11, 1984
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Joseph A. Simon
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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