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Reversal stop device
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Patent number 4,151,381
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Issue date Apr 24, 1979
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Montgomery Elevator Company
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Henry J. Holuba
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H01 - BASIC ELECTRIC ELEMENTS
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3622722
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Patent number 3,622,722
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Issue date Nov 23, 1971
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H01 - BASIC ELECTRIC ELEMENTS
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3571792
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Patent number 3,571,792
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Issue date Mar 23, 1971
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H01 - BASIC ELECTRIC ELEMENTS
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3549833
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Patent number 3,549,833
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Issue date Dec 22, 1970
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H01 - BASIC ELECTRIC ELEMENTS
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3527905
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Patent number 3,527,905
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Issue date Sep 8, 1970
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G01 - MEASURING TESTING
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3524034
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Patent number 3,524,034
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Issue date Aug 11, 1970
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G06 - COMPUTING CALCULATING COUNTING
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3480746
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Patent number 3,480,746
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Issue date Nov 25, 1969
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3450850
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Patent number 3,450,850
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Issue date Jun 17, 1969
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H01 - BASIC ELECTRIC ELEMENTS
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3296403
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Patent number 3,296,403
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Issue date Jan 3, 1967
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H01 - BASIC ELECTRIC ELEMENTS
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3283599
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Patent number 3,283,599
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Issue date Nov 8, 1966
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H01 - BASIC ELECTRIC ELEMENTS
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3272936
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Patent number 3,272,936
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Issue date Sep 13, 1966
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G01 - MEASURING TESTING
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3264560
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Patent number 3,264,560
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Issue date Aug 2, 1966
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G01 - MEASURING TESTING
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3256395
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Patent number 3,256,395
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Issue date Jun 14, 1966
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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3247340
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Patent number 3,247,340
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Issue date Apr 19, 1966
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G01 - MEASURING TESTING
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3233053
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Patent number 3,233,053
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Issue date Feb 1, 1966
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H01 - BASIC ELECTRIC ELEMENTS
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3209090
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Patent number 3,209,090
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Issue date Sep 28, 1965
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3172973
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Patent number 3,172,973
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Issue date Mar 9, 1965
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H01 - BASIC ELECTRIC ELEMENTS
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3032691
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Patent number 3,032,691
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Issue date May 1, 1962
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H01 - BASIC ELECTRIC ELEMENTS
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2947833
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Patent number 2,947,833
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Issue date Aug 2, 1960
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H01 - BASIC ELECTRIC ELEMENTS
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2896040
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Patent number 2,896,040
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Issue date Jul 21, 1959
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2868919
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Patent number 2,868,919
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Issue date Jan 13, 1959
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B60 - VEHICLES IN GENERAL
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2846534
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Patent number 2,846,534
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Issue date Aug 5, 1958
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H01 - BASIC ELECTRIC ELEMENTS
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2840688
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Patent number 2,840,688
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Issue date Jun 24, 1958
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B60 - VEHICLES IN GENERAL
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2827524
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Patent number 2,827,524
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Issue date Mar 18, 1958
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H01 - BASIC ELECTRIC ELEMENTS
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2807229
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Patent number 2,807,229
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Issue date Sep 24, 1957
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B60 - VEHICLES IN GENERAL
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2794877
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Patent number 2,794,877
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Issue date Jun 4, 1957
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER