involving balances in the form of rings partly filled with liquid

Patents Grantslast 30 patents

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    3517544

    • Patent number 3,517,544
    • Issue date Jun 30, 1970
    • G01 - MEASURING TESTING
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    2868018

    • Patent number 2,868,018
    • Issue date Jan 13, 1959
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    2822689

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    2710015

    • Patent number 2,710,015
    • Issue date Jun 7, 1955
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    2702478

    • Patent number 2,702,478
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    2701967

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    2608097

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    2585705

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    2564116

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    2456713

    • Patent number 2,456,713
    • Issue date Dec 21, 1948
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    2428436

    • Patent number 2,428,436
    • Issue date Oct 7, 1947
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    2407264

    • Patent number 2,407,264
    • Issue date Sep 10, 1946
    • F42 - AMMUNITION BLASTING
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    2331153

    • Patent number 2,331,153
    • Issue date Oct 5, 1943
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    2281978

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    • Issue date May 5, 1942
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    2280325

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    2266955

    • Patent number 2,266,955
    • Issue date Dec 23, 1941
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    2089862

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    • Issue date Aug 10, 1937
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    1920594

    • Patent number 1,920,594
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    1809759

    • Patent number 1,809,759
    • Issue date Jun 9, 1931
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    1504045

    • Patent number 1,504,045
    • Issue date Aug 5, 1924
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    1394660

    • Patent number 1,394,660
    • Issue date Oct 25, 1921
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    1394661

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    1336511

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    1303425

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    1255523

    • Patent number 1,255,523
    • Issue date Feb 5, 1918
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    1160679

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    • Issue date Nov 16, 1915
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    994669

    • Patent number 994,669
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    904511

    • Patent number 904,511
    • Issue date Nov 24, 1908
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    703753

    • Patent number 703,753
    • Issue date Jul 1, 1902
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    450795

    • Patent number 450,795
    • Issue date Apr 21, 1891
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