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Drive unit for adjustable beds
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Patent number 4,324,010
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Issue date Apr 13, 1982
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Joerns Furniture Company
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Don M. Houlberg
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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3040318
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Patent number 3,040,318
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Issue date Jun 19, 1962
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H01 - BASIC ELECTRIC ELEMENTS
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2993387
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Patent number 2,993,387
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Issue date Jul 25, 1961
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B66 - HOISTING LIFTING HAULING
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2975563
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Patent number 2,975,563
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Issue date Mar 21, 1961
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B24 - GRINDING POLISHING
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2942489
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Patent number 2,942,489
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Issue date Jun 28, 1960
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2912883
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Patent number 2,912,883
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Issue date Nov 17, 1959
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G05 - CONTROLLING REGULATING
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2814007
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Patent number 2,814,007
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Issue date Nov 19, 1957
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2690679
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Patent number 2,690,679
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Issue date Oct 5, 1954
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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2595229
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Patent number 2,595,229
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Issue date May 6, 1952
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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2548940
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Patent number 2,548,940
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Issue date Apr 17, 1951
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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2468919
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Patent number 2,468,919
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Issue date May 3, 1949
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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2458229
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Patent number 2,458,229
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Issue date Jan 4, 1949
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2408067
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Patent number 2,408,067
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Issue date Sep 24, 1946
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B66 - HOISTING LIFTING HAULING
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2386923
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Patent number 2,386,923
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Issue date Oct 16, 1945
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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2384044
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Patent number 2,384,044
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Issue date Sep 4, 1945
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2343577
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Patent number 2,343,577
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Issue date Mar 7, 1944
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B24 - GRINDING POLISHING
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2309668
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Patent number 2,309,668
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Issue date Jan 26, 1943
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B24 - GRINDING POLISHING
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2309669
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Patent number 2,309,669
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Issue date Jan 26, 1943
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B24 - GRINDING POLISHING
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2125769
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Patent number 2,125,769
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Issue date Aug 2, 1938
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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2112843
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Patent number 2,112,843
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Issue date Apr 5, 1938
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2053484
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Patent number 2,053,484
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Issue date Sep 8, 1936
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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2021377
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Patent number 2,021,377
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Issue date Nov 19, 1935
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2020200
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Patent number 2,020,200
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Issue date Nov 5, 1935
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2010366
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Patent number 2,010,366
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Issue date Aug 6, 1935
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B24 - GRINDING POLISHING
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2003719
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Patent number 2,003,719
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Issue date Jun 4, 1935
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1991954
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Patent number 1,991,954
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Issue date Feb 19, 1935
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1986295
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Patent number 1,986,295
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Issue date Jan 1, 1935
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G05 - CONTROLLING REGULATING
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1983666
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Patent number 1,983,666
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Issue date Dec 11, 1934
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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1949015
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Patent number 1,949,015
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Issue date Feb 27, 1934
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B66 - HOISTING LIFTING HAULING