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Angle measuring device
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Patent number 4,338,723
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Issue date Jul 13, 1982
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Centro Cororation
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Harry L. Benjamin
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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3892043
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Patent number 3,892,043
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Issue date Jul 1, 1975
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G01 - MEASURING TESTING
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3881345
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Patent number 3,881,345
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Issue date May 6, 1975
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G01 - MEASURING TESTING
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3875667
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Patent number 3,875,667
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Issue date Apr 8, 1975
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G01 - MEASURING TESTING
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3083469
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Patent number 3,083,469
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Issue date Apr 2, 1963
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G01 - MEASURING TESTING
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3054188
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Patent number 3,054,188
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Issue date Sep 18, 1962
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G01 - MEASURING TESTING
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2926530
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Patent number 2,926,530
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Issue date Mar 1, 1960
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G01 - MEASURING TESTING
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2911632
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Patent number 2,911,632
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Issue date Nov 3, 1959
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G08 - SIGNALLING
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2885611
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Patent number 2,885,611
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Issue date May 5, 1959
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G05 - CONTROLLING REGULATING
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2827787
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Patent number 2,827,787
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Issue date Mar 25, 1958
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G01 - MEASURING TESTING
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2786186
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Patent number 2,786,186
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Issue date Mar 19, 1957
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G01 - MEASURING TESTING
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2709790
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Patent number 2,709,790
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Issue date May 31, 1955
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G01 - MEASURING TESTING
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2700758
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Patent number 2,700,758
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Issue date Jan 25, 1955
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G01 - MEASURING TESTING
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2697214
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Patent number 2,697,214
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Issue date Dec 14, 1954
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G01 - MEASURING TESTING
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2695981
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Patent number 2,695,981
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Issue date Nov 30, 1954
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G01 - MEASURING TESTING
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2692357
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Patent number 2,692,357
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Issue date Oct 19, 1954
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G05 - CONTROLLING REGULATING
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2662301
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Patent number 2,662,301
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Issue date Dec 15, 1953
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G01 - MEASURING TESTING
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2657350
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Patent number 2,657,350
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Issue date Oct 27, 1953
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G05 - CONTROLLING REGULATING
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2643869
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Patent number 2,643,869
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Issue date Jun 30, 1953
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G01 - MEASURING TESTING
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2636151
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Patent number 2,636,151
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Issue date Apr 21, 1953
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G01 - MEASURING TESTING
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2596030
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Patent number 2,596,030
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Issue date May 6, 1952
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F22 - STEAM GENERATION
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2586010
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Patent number 2,586,010
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Issue date Feb 19, 1952
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G01 - MEASURING TESTING