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3909903
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Patent number 3,909,903
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Issue date Oct 7, 1975
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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3629924
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Patent number 3,629,924
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Issue date Dec 28, 1971
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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3455011
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Patent number 3,455,011
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Issue date Jul 15, 1969
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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3358351
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Patent number 3,358,351
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Issue date Dec 19, 1967
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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3131466
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Patent number 3,131,466
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Issue date May 5, 1964
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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3048918
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Patent number 3,048,918
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Issue date Aug 14, 1962
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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2954607
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Patent number 2,954,607
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Issue date Oct 4, 1960
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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2922222
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Patent number 2,922,222
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Issue date Jan 26, 1960
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2898673
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Patent number 2,898,673
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Issue date Aug 11, 1959
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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2747262
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Patent number 2,747,262
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Issue date May 29, 1956
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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2716272
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Patent number 2,716,272
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Issue date Aug 30, 1955
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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2641054
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Patent number 2,641,054
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Issue date Jun 9, 1953
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E21 - EARTH DRILLING MINING
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2607247
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Patent number 2,607,247
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Issue date Aug 19, 1952
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G02 - OPTICS
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2585159
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Patent number 2,585,159
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Issue date Feb 12, 1952
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2562128
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Patent number 2,562,128
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Issue date Jul 24, 1951
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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2532141
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Patent number 2,532,141
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Issue date Nov 28, 1950
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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2430144
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Patent number 2,430,144
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Issue date Nov 4, 1947
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B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
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2234156
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Patent number 2,234,156
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Issue date Mar 4, 1941
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1997852
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Patent number 1,997,852
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Issue date Apr 16, 1935
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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1991150
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Patent number 1,991,150
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Issue date Feb 12, 1935
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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1979767
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Patent number 1,979,767
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Issue date Nov 6, 1934
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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1953926
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Patent number 1,953,926
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Issue date Apr 10, 1934
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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1930667
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Patent number 1,930,667
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Issue date Oct 17, 1933
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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1892989
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Patent number 1,892,989
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Issue date Jan 3, 1933
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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1891560
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Patent number 1,891,560
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Issue date Dec 20, 1932
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS