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Angle gauge
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Patent number 11,796,300
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Issue date Oct 24, 2023
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Michael Salais
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Vane area measuring device
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Patent number 4,222,172
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Issue date Sep 16, 1980
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General Motors Corporation
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George W. Mason
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G01 - MEASURING TESTING
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3890715
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Patent number 3,890,715
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Issue date Jun 24, 1975
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G06 - COMPUTING CALCULATING COUNTING
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3377707
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Issue date Apr 16, 1968
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G01 - MEASURING TESTING
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3121956
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Patent number 3,121,956
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Issue date Feb 25, 1964
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G06 - COMPUTING CALCULATING COUNTING
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3110967
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Patent number 3,110,967
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Issue date Nov 19, 1963
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G01 - MEASURING TESTING
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3104470
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Patent number 3,104,470
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Issue date Sep 24, 1963
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G01 - MEASURING TESTING
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3023505
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Patent number 3,023,505
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G01 - MEASURING TESTING
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3018553
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Patent number 3,018,553
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G01 - MEASURING TESTING
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2996803
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Patent number 2,996,803
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G06 - COMPUTING CALCULATING COUNTING
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2993278
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Patent number 2,993,278
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Issue date Jul 25, 1961
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G01 - MEASURING TESTING
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2975521
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Patent number 2,975,521
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G01 - MEASURING TESTING
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2864170
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Patent number 2,864,170
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Issue date Dec 16, 1958
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G01 - MEASURING TESTING