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Nail detector system
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Patent number 4,612,538
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Issue date Sep 16, 1986
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Emhart Corporation
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Ralph E. Karcher
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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3478946
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Patent number 3,478,946
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Issue date Nov 18, 1969
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A43 - FOOTWEAR
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3325051
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Patent number 3,325,051
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Issue date Jun 13, 1967
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A43 - FOOTWEAR
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3207364
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Patent number 3,207,364
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Issue date Sep 21, 1965
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A43 - FOOTWEAR
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3186690
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Patent number 3,186,690
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Issue date Jun 1, 1965
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A43 - FOOTWEAR
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3142841
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Patent number 3,142,841
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Issue date Aug 4, 1964
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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3095999
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Patent number 3,095,999
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Issue date Jul 2, 1963
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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3071291
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Patent number 3,071,291
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Issue date Jan 1, 1963
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A43 - FOOTWEAR
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2986737
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Patent number 2,986,737
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Issue date Jun 6, 1961
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A43 - FOOTWEAR
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2956282
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Patent number 2,956,282
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Issue date Oct 18, 1960
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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2929066
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Patent number 2,929,066
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Issue date Mar 22, 1960
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A43 - FOOTWEAR
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2879509
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Patent number 2,879,509
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Issue date Mar 31, 1959
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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2878474
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Patent number 2,878,474
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A43 - FOOTWEAR
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2820966
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Patent number 2,820,966
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A43 - FOOTWEAR
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2790971
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Patent number 2,790,971
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A43 - FOOTWEAR
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2768377
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Patent number 2,768,377
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Issue date Oct 30, 1956
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A43 - FOOTWEAR
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2735096
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Patent number 2,735,096
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Issue date Feb 21, 1956
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A43 - FOOTWEAR
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2734191
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Patent number 2,734,191
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A43 - FOOTWEAR
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2687826
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Patent number 2,687,826
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Issue date Aug 31, 1954
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A43 - FOOTWEAR
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2636169
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Patent number 2,636,169
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Issue date Apr 28, 1953
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A43 - FOOTWEAR
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2617987
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Patent number 2,617,987
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Issue date Nov 18, 1952
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A43 - FOOTWEAR
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2611896
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Patent number 2,611,896
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Issue date Sep 30, 1952
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A43 - FOOTWEAR
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2604624
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Patent number 2,604,624
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Issue date Jul 29, 1952
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A43 - FOOTWEAR
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2589352
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Patent number 2,589,352
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Issue date Mar 18, 1952
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A43 - FOOTWEAR
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2544165
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Patent number 2,544,165
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Issue date Mar 6, 1951
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2543550
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Patent number 2,543,550
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Issue date Feb 27, 1951
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A43 - FOOTWEAR
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2541132
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Patent number 2,541,132
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Issue date Feb 13, 1951
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A43 - FOOTWEAR
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2502594
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Patent number 2,502,594
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Issue date Apr 4, 1950
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A43 - FOOTWEAR