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Handheld tool structure
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Patent number 7,866,050
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Issue date Jan 11, 2011
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Shu-Feng Yu
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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2463064
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Patent number 2,463,064
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Issue date Mar 1, 1949
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2367445
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Patent number 2,367,445
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Issue date Jan 16, 1945
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H01 - BASIC ELECTRIC ELEMENTS
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2347050
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Patent number 2,347,050
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Issue date Apr 18, 1944
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H01 - BASIC ELECTRIC ELEMENTS
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2072581
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Patent number 2,072,581
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Issue date Mar 2, 1937
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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1940890
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Patent number 1,940,890
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Issue date Dec 26, 1933
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E21 - EARTH DRILLING MINING
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1819850
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Patent number 1,819,850
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Issue date Aug 18, 1931
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E21 - EARTH DRILLING MINING
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1733594
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Patent number 1,733,594
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Issue date Oct 29, 1929
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1685588
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Patent number 1,685,588
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Issue date Sep 25, 1928
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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1630627
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Patent number 1,630,627
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Issue date May 31, 1927
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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1540074
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Patent number 1,540,074
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Issue date Jun 2, 1925
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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1254161
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Patent number 1,254,161
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Issue date Jan 22, 1918
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1248593
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Patent number 1,248,593
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Issue date Dec 4, 1917
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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1221771
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Patent number 1,221,771
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Issue date Apr 3, 1917
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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1212969
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Patent number 1,212,969
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Issue date Jan 16, 1917
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1155229
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Patent number 1,155,229
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Issue date Sep 28, 1915
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1136603
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Patent number 1,136,603
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Issue date Apr 20, 1915
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1118360
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Patent number 1,118,360
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Issue date Nov 24, 1914
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E21 - EARTH DRILLING MINING
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1078751
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Patent number 1,078,751
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Issue date Nov 18, 1913
-
H01 - BASIC ELECTRIC ELEMENTS
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1071282
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Patent number 1,071,282
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Issue date Aug 26, 1913
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E21 - EARTH DRILLING MINING
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1059674
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Patent number 1,059,674
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Issue date Apr 22, 1913
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1055091
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Patent number 1,055,091
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Issue date Mar 4, 1913
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E21 - EARTH DRILLING MINING
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1030321
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Patent number 1,030,321
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Issue date Jun 25, 1912
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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920762
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Patent number 920,762
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Issue date May 4, 1909
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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917433
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Patent number 917,433
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Issue date Apr 6, 1909
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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917432
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Patent number 917,432
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Issue date Apr 6, 1909
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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915777
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Patent number 915,777
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Issue date Mar 23, 1909
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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873274
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Patent number 873,274
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Issue date Dec 10, 1907
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E21 - EARTH DRILLING MINING
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864205
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Patent number 864,205
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Issue date Aug 27, 1907
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E21 - EARTH DRILLING MINING
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860219
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Patent number 860,219
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Issue date Jul 16, 1907
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E21 - EARTH DRILLING MINING