Cyclical displacement responsive to the alternating-motion

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    Position incrementer

    • Patent number 4,686,870
    • Issue date Aug 18, 1987
    • James F. Mack
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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    3780814

    • Patent number 3,780,814
    • Issue date Dec 25, 1973
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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    2203953

    • Patent number 2,203,953
    • Issue date Jun 11, 1940
    • E21 - EARTH DRILLING MINING
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    1033990

    • Patent number 1,033,990
    • Issue date Jul 30, 1912
    • E21 - EARTH DRILLING MINING
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    655292

    • Patent number 655,292
    • Issue date Aug 7, 1900
    • E21 - EARTH DRILLING MINING
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    601223

    • Patent number 601,223
    • Issue date Mar 22, 1898
    • E21 - EARTH DRILLING MINING
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    595969

    • Patent number 595,969
    • Issue date Dec 21, 1897
    • E21 - EARTH DRILLING MINING
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    550074

    • Patent number 550,074
    • Issue date Nov 19, 1895
    • E21 - EARTH DRILLING MINING
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    464612

    • Patent number 464,612
    • Issue date Dec 8, 1891
    • E21 - EARTH DRILLING MINING
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    430292

    • Patent number 430,292
    • Issue date Jun 17, 1890
    • E21 - EARTH DRILLING MINING
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    417004

    • Patent number 417,004
    • Issue date Dec 10, 1889
    • E21 - EARTH DRILLING MINING
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    396462

    • Patent number 396,462
    • Issue date Jan 22, 1889
    • E21 - EARTH DRILLING MINING
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    387127

    • Patent number 387,127
    • Issue date Jul 31, 1888
    • E21 - EARTH DRILLING MINING
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    344907

    • Patent number 344,907
    • Issue date Jul 6, 1886
    • E21 - EARTH DRILLING MINING
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    330981

    • Patent number 330,981
    • Issue date Nov 24, 1885
    • E21 - EARTH DRILLING MINING
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    320371

    • Patent number 320,371
    • Issue date Jun 16, 1885
    • E21 - EARTH DRILLING MINING
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    290309

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    • Issue date Dec 18, 1883
    • E21 - EARTH DRILLING MINING
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    269619

    • Patent number 269,619
    • Issue date Dec 26, 1882
    • E21 - EARTH DRILLING MINING
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    258623

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    • Issue date May 30, 1882
    • E21 - EARTH DRILLING MINING
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    239479

    • Patent number 239,479
    • Issue date Mar 29, 1881
    • E21 - EARTH DRILLING MINING
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    228797

    • Patent number 228,797
    • Issue date Jun 15, 1880
    • E21 - EARTH DRILLING MINING
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    157969

    • Patent number 157,969
    • Issue date Dec 22, 1874
    • E21 - EARTH DRILLING MINING
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    130703

    • Patent number 130,703
    • Issue date Aug 20, 1872
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    80232

    • Patent number 80,232
    • Issue date Jul 21, 1868
    • E21 - EARTH DRILLING MINING
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    65802

    • Patent number 65,802
    • Issue date Jun 18, 1867
    • E21 - EARTH DRILLING MINING
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    63682

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    • Issue date Apr 9, 1867
    • E21 - EARTH DRILLING MINING
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    24421

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    • Issue date Jun 14, 1859
    • E21 - EARTH DRILLING MINING
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    9379

    • Patent number 9,379
    • Issue date Nov 2, 1852
    • E21 - EARTH DRILLING MINING

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