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Air lifting and balancing unit
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Patent number 5,556,077
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Issue date Sep 17, 1996
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Columbus McKinnon Corporation
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Robert O. Braesch
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B66 - HOISTING LIFTING HAULING
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Air lifting and balancing unit
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Patent number 5,439,200
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Issue date Aug 8, 1995
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Columbus McKinnon Corporation
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Robert O. Braesch
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B66 - HOISTING LIFTING HAULING
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Control device for a balancing apparatus
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Patent number 4,455,838
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Issue date Jun 26, 1984
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Toyama Machine Works, Ltd.
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Kita Junichi
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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3871622
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Patent number 3,871,622
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Issue date Mar 18, 1975
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E21 - EARTH DRILLING MINING
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3842603
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Patent number 3,842,603
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Issue date Oct 22, 1974
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B66 - HOISTING LIFTING HAULING
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3793835
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Patent number 3,793,835
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Issue date Feb 26, 1974
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E21 - EARTH DRILLING MINING
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3718316
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Patent number 3,718,316
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Issue date Feb 27, 1973
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B66 - HOISTING LIFTING HAULING
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3707844
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Patent number 3,707,844
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Issue date Jan 2, 1973
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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3653635
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Patent number 3,653,635
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Issue date Apr 4, 1972
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E21 - EARTH DRILLING MINING
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3651643
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Patent number 3,651,643
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Issue date Mar 28, 1972
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G08 - SIGNALLING
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3643435
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Patent number 3,643,435
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Issue date Feb 22, 1972
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3623321
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Patent number 3,623,321
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Issue date Nov 30, 1971
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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3609972
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Patent number 3,609,972
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Issue date Oct 5, 1971
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3599428
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Patent number 3,599,428
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Issue date Aug 17, 1971
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3589465
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Patent number 3,589,465
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Issue date Jun 29, 1971
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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3583284
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Patent number 3,583,284
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Issue date Jun 8, 1971
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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3576292
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Patent number 3,576,292
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Issue date Apr 27, 1971
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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3541926
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Patent number 3,541,926
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Issue date Nov 24, 1970
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E21 - EARTH DRILLING MINING
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3534553
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Patent number 3,534,553
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Issue date Oct 20, 1970
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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3523742
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Patent number 3,523,742
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Issue date Aug 11, 1970
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G05 - CONTROLLING REGULATING
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3514163
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Patent number 3,514,163
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Issue date May 26, 1970
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B60 - VEHICLES IN GENERAL
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3499629
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Patent number 3,499,629
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Issue date Mar 10, 1970
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B66 - HOISTING LIFTING HAULING
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3470698
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Patent number 3,470,698
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Issue date Oct 7, 1969
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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3465645
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Patent number 3,465,645
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Issue date Sep 9, 1969
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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3423938
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Patent number 3,423,938
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Issue date Jan 28, 1969
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3415159
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Patent number 3,415,159
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Issue date Dec 10, 1968
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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3409335
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Patent number 3,409,335
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Issue date Nov 5, 1968
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS