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Tube coupling device
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Patent number 4,655,482
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Issue date Apr 7, 1987
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The United States of America as represented by the administrator of the Natio...
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William N. Myers
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Amplified wind turbine apparatus
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Patent number 4,309,146
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Issue date Jan 5, 1982
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The United States of America as represented by the administrator of the Natio...
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Leopold A. Hein
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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Spherical bearing
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Patent number 4,105,261
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Issue date Aug 8, 1978
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The United States of America as represented by the administrator of the Natio...
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William N. Myers
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Mechanical thermal motor
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Patent number 3,987,630
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Issue date Oct 26, 1976
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The United States of America as represented by the administrator of the Natio...
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Leopold A. Hein
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...