the auxiliary power balancing automatically a Wheatstone bridge or the like, that has been unbalanced by the controlling device

Patents Grantslast 30 patents

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    3415127

    • Patent number 3,415,127
    • Issue date Dec 10, 1968
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3051881

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    • H03 - BASIC ELECTRONIC CIRCUITRY
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    2943249

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    • Issue date Jun 28, 1960
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    2884577

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    • Issue date Apr 28, 1959
    • G05 - CONTROLLING REGULATING
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    2828430

    • Patent number 2,828,430
    • Issue date Mar 25, 1958
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    2531187

    • Patent number 2,531,187
    • Issue date Nov 21, 1950
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    2492392

    • Patent number 2,492,392
    • Issue date Dec 27, 1949
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    2231386

    • Patent number 2,231,386
    • Issue date Feb 11, 1941
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    2218905

    • Patent number 2,218,905
    • Issue date Oct 22, 1940
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    2177850

    • Patent number 2,177,850
    • Issue date Oct 31, 1939
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    2135991

    • Patent number 2,135,991
    • Issue date Nov 8, 1938
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    2122912

    • Patent number 2,122,912
    • Issue date Jul 5, 1938
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    2091681

    • Patent number 2,091,681
    • Issue date Aug 31, 1937
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    2046755

    • Patent number 2,046,755
    • Issue date Jul 7, 1936
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    2025783

    • Patent number 2,025,783
    • Issue date Dec 31, 1935
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    2025218

    • Patent number 2,025,218
    • Issue date Dec 24, 1935
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    2020275

    • Patent number 2,020,275
    • Issue date Nov 5, 1935
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    2007577

    • Patent number 2,007,577
    • Issue date Jul 9, 1935
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    2002353

    • Patent number 2,002,353
    • Issue date May 21, 1935
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    1985403

    • Patent number 1,985,403
    • Issue date Dec 25, 1934
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    1942587

    • Patent number 1,942,587
    • Issue date Jan 9, 1934
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    1927260

    • Patent number 1,927,260
    • Issue date Sep 19, 1933
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    1738262

    • Patent number 1,738,262
    • Issue date Dec 3, 1929
    • H03 - BASIC ELECTRONIC CIRCUITRY