using helically wound magnetic tape

Patents Grantslast 30 patents

  • Information Patent Grant

    High fidelity audio cable

    • Patent number 5,109,140
    • Issue date Apr 28, 1992
    • Kha D. Nguyen
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    High frequency attenuation cable

    • Patent number 4,816,614
    • Issue date Mar 28, 1989
    • Raychem Limited
    • Stephen M. Baigrie
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3219951

    • Patent number 3,219,951
    • Issue date Nov 23, 1965
    • H01 - BASIC ELECTRIC ELEMENTS
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    2054718

    • Patent number 2,054,718
    • Issue date Sep 15, 1936
    • H01 - BASIC ELECTRIC ELEMENTS
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    2017657

    • Patent number 2,017,657
    • Issue date Oct 15, 1935
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1881480

    • Patent number 1,881,480
    • Issue date Oct 11, 1932
    • H01 - BASIC ELECTRIC ELEMENTS
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    1880764

    • Patent number 1,880,764
    • Issue date Oct 4, 1932
    • H01 - BASIC ELECTRIC ELEMENTS
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    1874481

    • Patent number 1,874,481
    • Issue date Aug 30, 1932
    • H01 - BASIC ELECTRIC ELEMENTS
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    1868315

    • Patent number 1,868,315
    • Issue date Jul 19, 1932
    • H01 - BASIC ELECTRIC ELEMENTS
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    1860500

    • Patent number 1,860,500
    • Issue date May 31, 1932
    • H01 - BASIC ELECTRIC ELEMENTS
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    1856702

    • Patent number 1,856,702
    • Issue date May 3, 1932
    • H01 - BASIC ELECTRIC ELEMENTS
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    1846636

    • Patent number 1,846,636
    • Issue date Feb 23, 1932
    • H01 - BASIC ELECTRIC ELEMENTS
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    1841486

    • Patent number 1,841,486
    • Issue date Jan 19, 1932
    • H01 - BASIC ELECTRIC ELEMENTS
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    1835771

    • Patent number 1,835,771
    • Issue date Dec 8, 1931
    • H01 - BASIC ELECTRIC ELEMENTS
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    1832455

    • Patent number 1,832,455
    • Issue date Nov 17, 1931
    • H01 - BASIC ELECTRIC ELEMENTS
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    1819720

    • Patent number 1,819,720
    • Issue date Aug 18, 1931
    • H01 - BASIC ELECTRIC ELEMENTS
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    1763043

    • Patent number 1,763,043
    • Issue date Jun 10, 1930
    • H01 - BASIC ELECTRIC ELEMENTS
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    1762996

    • Patent number 1,762,996
    • Issue date Jun 10, 1930
    • H01 - BASIC ELECTRIC ELEMENTS
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    1746314

    • Patent number 1,746,314
    • Issue date Feb 11, 1930
    • H01 - BASIC ELECTRIC ELEMENTS
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    1745680

    • Patent number 1,745,680
    • Issue date Feb 4, 1930
    • H01 - BASIC ELECTRIC ELEMENTS
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    1742639

    • Patent number 1,742,639
    • Issue date Jan 7, 1930
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1722436

    • Patent number 1,722,436
    • Issue date Jul 30, 1929
    • H01 - BASIC ELECTRIC ELEMENTS
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    1700766

    • Patent number 1,700,766
    • Issue date Feb 5, 1929
    • H01 - BASIC ELECTRIC ELEMENTS
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    1700476

    • Patent number 1,700,476
    • Issue date Jan 29, 1929
    • H01 - BASIC ELECTRIC ELEMENTS
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    1696262

    • Patent number 1,696,262
    • Issue date Dec 25, 1928
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1691029

    • Patent number 1,691,029
    • Issue date Nov 13, 1928
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1681515

    • Patent number 1,681,515
    • Issue date Aug 21, 1928
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1672821

    • Patent number 1,672,821
    • Issue date Jun 5, 1928
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1586875

    • Patent number 1,586,875
    • Issue date Jun 1, 1926
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1586862

    • Patent number 1,586,862
    • Issue date Jun 1, 1926
    • H01 - BASIC ELECTRIC ELEMENTS