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Laser cutting apparatus
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Patent number 5,521,352
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Issue date May 28, 1996
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Laser Machining, Inc.
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William E. Lawson
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Reflective collimator
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Patent number 5,442,436
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Issue date Aug 15, 1995
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Laser Machining, Inc.
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William E. Lawson
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G02 - OPTICS
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Adjustable beam splitter
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Patent number 5,422,758
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Issue date Jun 6, 1995
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Laser Machining, Inc.
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William E. Lawson
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G02 - OPTICS
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Laser wire stripper
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Patent number 4,761,535
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Issue date Aug 2, 1988
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Laser Machining, Inc.
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William E. Lawson
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Swivel base
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Patent number 4,160,541
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Issue date Jul 10, 1979
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Vanguard, Inc.
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Peter O. Harken
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Track tension control
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Patent number 3,930,553
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Issue date Jan 6, 1976
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The United States of America as represented by the Secretary of the Army
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John F. Kopera
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS