on electrical resistances

Patents Grantslast 30 patents

  • Information Patent Grant

    3548544

    • Patent number 3,548,544
    • Issue date Dec 22, 1970
    • B24 - GRINDING POLISHING
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    3538648

    • Patent number 3,538,648
    • Issue date Nov 10, 1970
    • B24 - GRINDING POLISHING
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    3438155

    • Patent number 3,438,155
    • Issue date Apr 15, 1969
    • B24 - GRINDING POLISHING
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    3408896

    • Patent number 3,408,896
    • Issue date Nov 5, 1968
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3375342

    • Patent number 3,375,342
    • Issue date Mar 26, 1968
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3190043

    • Patent number 3,190,043
    • Issue date Jun 22, 1965
    • B24 - GRINDING POLISHING
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    3182426

    • Patent number 3,182,426
    • Issue date May 11, 1965
    • B24 - GRINDING POLISHING
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    3138065

    • Patent number 3,138,065
    • Issue date Jun 23, 1964
    • B24 - GRINDING POLISHING
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    3012383

    • Patent number 3,012,383
    • Issue date Dec 12, 1961
    • B24 - GRINDING POLISHING
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    2884746

    • Patent number 2,884,746
    • Issue date May 5, 1959
    • B24 - GRINDING POLISHING
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    2773332

    • Patent number 2,773,332
    • Issue date Dec 11, 1956
    • B24 - GRINDING POLISHING
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    2724306

    • Patent number 2,724,306
    • Issue date Nov 22, 1955
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2669811

    • Patent number 2,669,811
    • Issue date Feb 23, 1954
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2405485

    • Patent number 2,405,485
    • Issue date Aug 6, 1946
    • B24 - GRINDING POLISHING
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    1273904

    • Patent number 1,273,904
    • Issue date Jul 30, 1918
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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    772362

    • Patent number 772,362
    • Issue date Oct 18, 1904
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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    166121

    • Patent number 166,121
    • Issue date Jul 27, 1875
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    9110

    • Patent number 9,110
    • Issue date Jul 6, 1852
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR