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Control method of a DC motor
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Patent number 3,953,774
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Issue date Apr 27, 1976
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Fujitsu Ltd.
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Tadasu Sato
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3917987
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Patent number 3,917,987
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Issue date Nov 4, 1975
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G05 - CONTROLLING REGULATING
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3749997
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Patent number 3,749,997
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Issue date Jul 31, 1973
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G05 - CONTROLLING REGULATING
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3701936
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Patent number 3,701,936
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Issue date Oct 31, 1972
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G05 - CONTROLLING REGULATING
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3668503
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Patent number 3,668,503
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Issue date Jun 6, 1972
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G05 - CONTROLLING REGULATING
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3646420
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Patent number 3,646,420
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Issue date Feb 29, 1972
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G05 - CONTROLLING REGULATING
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3639823
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Patent number 3,639,823
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Issue date Feb 1, 1972
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G05 - CONTROLLING REGULATING
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3624640
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Patent number 3,624,640
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Issue date Nov 30, 1971
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G05 - CONTROLLING REGULATING
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3601676
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Patent number 3,601,676
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Issue date Aug 24, 1971
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G05 - CONTROLLING REGULATING
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3581103
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Patent number 3,581,103
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Issue date May 25, 1971
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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3569959
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Patent number 3,569,959
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Issue date Mar 9, 1971
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G05 - CONTROLLING REGULATING
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3531800
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Patent number 3,531,800
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Issue date Sep 29, 1970
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G05 - CONTROLLING REGULATING
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3508834
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Patent number 3,508,834
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G05 - CONTROLLING REGULATING
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3449754
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Patent number 3,449,754
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Issue date Jun 10, 1969
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3440410
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Patent number 3,440,410
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Issue date Apr 22, 1969
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G05 - CONTROLLING REGULATING
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3372333
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Patent number 3,372,333
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G05 - CONTROLLING REGULATING
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3326055
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G05 - CONTROLLING REGULATING
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3277378
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Patent number 3,277,378
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G05 - CONTROLLING REGULATING
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3240951
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Patent number 3,240,951
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G05 - CONTROLLING REGULATING
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3215913
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Patent number 3,215,913
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G06 - COMPUTING CALCULATING COUNTING
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3190153
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Patent number 3,190,153
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Issue date Jun 22, 1965
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3178663
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Patent number 3,178,663
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G05 - CONTROLLING REGULATING
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3151282
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G05 - CONTROLLING REGULATING
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3142018
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Patent number 3,142,018
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3141121
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Patent number 3,141,121
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Issue date Jul 14, 1964
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G05 - CONTROLLING REGULATING
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3135902
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Patent number 3,135,902
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Issue date Jun 2, 1964
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G05 - CONTROLLING REGULATING