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Electric motor actuator
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Patent number 5,101,148
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Issue date Mar 31, 1992
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Hitachi, Ltd.
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Seizi Yamashita
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G05 - CONTROLLING REGULATING
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Spindle control system
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Patent number 5,101,143
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Issue date Mar 31, 1992
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Kabushiki Kaisha Okuma Tekkosho
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Koji Eba
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G05 - CONTROLLING REGULATING
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Spindle orientation apparatus
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Patent number 4,632,612
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Issue date Dec 30, 1986
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Kearney & Trecker Corporation
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Richard J. Loerch
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G05 - CONTROLLING REGULATING
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Electric drilling machine
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Patent number 4,536,688
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Issue date Aug 20, 1985
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Peugeot Outillage Electrique
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Jean Roger
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Position detecting device
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Patent number 4,470,108
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Issue date Sep 4, 1984
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Mitsubishi Denki Kabushiki Kaisha
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Yoshito Kato
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G05 - CONTROLLING REGULATING
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Servo-controlled spindle drive system
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Patent number 4,449,866
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Issue date May 22, 1984
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Kearney & Trecker Corporation
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Earl R. Lohneis
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Rotary shaft control system
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Patent number 4,282,955
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Issue date Aug 11, 1981
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Fujitsu Fanuc Limited
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Kanryo Shimizu
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G05 - CONTROLLING REGULATING
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3878742
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Patent number 3,878,742
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Issue date Apr 22, 1975
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3551656
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Patent number 3,551,656
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Issue date Dec 29, 1970
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G06 - COMPUTING CALCULATING COUNTING
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3190139
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Patent number 3,190,139
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Issue date Jun 22, 1965
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G05 - CONTROLLING REGULATING