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Hinge lubricator
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Patent number D676733
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Issue date Feb 26, 2013
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Marco J. Zach
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D08 - Tools and hardware
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Door hinge lubricator
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Patent number 7,703,577
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Issue date Apr 27, 2010
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Marco J. Zach
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Simplified deadman brake
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Patent number 6,095,294
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Issue date Aug 1, 2000
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McGourthy, Sr.; John D.
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John D. McGourthy
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B60 - VEHICLES IN GENERAL
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Drive with self-actuating clutch and brake
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Patent number 6,015,032
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Issue date Jan 18, 2000
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McGourthy, Sr.; John D.
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John D. McGourthy
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...