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Sealing apparatus for a valve body opening
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Patent number 4,682,631
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Issue date Jul 28, 1987
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The United States of America as represented by the Secretary of the Navy
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John F. Wilger
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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In-place rotating grinding machine
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Patent number 4,383,395
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Issue date May 17, 1983
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The United States of America as represented by the Secretary of the Navy
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John F. Wilger
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B24 - GRINDING POLISHING
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Portable on-site turning apparatus
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Patent number 4,359,917
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Issue date Nov 23, 1982
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The United States of America as represented by the Secretary of the Navy
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John F. Wilger
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Vertical drive mechanism for a cutting apparatus
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Patent number 4,241,623
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Issue date Dec 30, 1980
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The United States of America as represented by the Secretary of the Navy
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John F. Wilger
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Drilling machine
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Patent number 4,011,024
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Issue date Mar 8, 1977
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The United States of America as represented by the Secretary of the Navy
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Gregory Nakano
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Pipe end machining apparatus
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Patent number 3,992,123
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Issue date Nov 16, 1976
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The United States of America as represented by the Secretary of the Navy
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Tadao Uyetake
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR