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Tower
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Patent number 6,336,622
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Issue date Jan 8, 2002
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Engineering & Drilling Machinery AS
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Bjørn Eilertsen
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E21 - EARTH DRILLING MINING
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-
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Machine tool bar feed
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Patent number 4,402,642
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Issue date Sep 6, 1983
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Universal Automatic Corporation
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Adolph V. Klancnik
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3831455
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Patent number 3,831,455
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Issue date Aug 27, 1974
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B66 - HOISTING LIFTING HAULING
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3746190
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Patent number 3,746,190
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Issue date Jul 17, 1973
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3719291
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Patent number 3,719,291
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Issue date Mar 6, 1973
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C30 - CRYSTAL GROWTH
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2946556
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Patent number 2,946,556
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Issue date Jul 26, 1960
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2896908
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Patent number 2,896,908
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Issue date Jul 28, 1959
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B66 - HOISTING LIFTING HAULING
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2806562
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Patent number 2,806,562
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Issue date Sep 17, 1957
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B66 - HOISTING LIFTING HAULING
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2661082
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Patent number 2,661,082
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Issue date Dec 1, 1953
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E04 - BUILDING
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2584134
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Patent number 2,584,134
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Issue date Feb 5, 1952
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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2375461
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Patent number 2,375,461
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Issue date May 8, 1945
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B66 - HOISTING LIFTING HAULING
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2251308
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Patent number 2,251,308
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Issue date Aug 5, 1941
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B66 - HOISTING LIFTING HAULING
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2233222
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Patent number 2,233,222
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Issue date Feb 25, 1941
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H01 - BASIC ELECTRIC ELEMENTS
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2222588
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Patent number 2,222,588
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Issue date Nov 19, 1940
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H01 - BASIC ELECTRIC ELEMENTS
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2131261
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Patent number 2,131,261
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Issue date Sep 27, 1938
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2045261
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Patent number 2,045,261
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Issue date Jun 23, 1936
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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1947392
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Patent number 1,947,392
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Issue date Feb 13, 1934
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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1916517
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Patent number 1,916,517
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Issue date Jul 4, 1933
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B66 - HOISTING LIFTING HAULING
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1870244
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Patent number 1,870,244
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Issue date Aug 9, 1932
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B66 - HOISTING LIFTING HAULING
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1845352
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Patent number 1,845,352
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Issue date Feb 16, 1932
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B60 - VEHICLES IN GENERAL
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1834900
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Patent number 1,834,900
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Issue date Dec 1, 1931
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B66 - HOISTING LIFTING HAULING
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1656215
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Patent number 1,656,215
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Issue date Jan 17, 1928
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E21 - EARTH DRILLING MINING
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1584198
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Patent number 1,584,198
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Issue date May 11, 1926
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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1577040
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Patent number 1,577,040
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Issue date Mar 16, 1926
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B66 - HOISTING LIFTING HAULING
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1570014
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Patent number 1,570,014
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Issue date Jan 19, 1926
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1568116
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Patent number 1,568,116
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Issue date Jan 5, 1926
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...