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  • CPC
  • G11B3/66
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Parent Industries

GPHYSICS G11Information storage G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER G11B3/00Recording by mechanical cutting, deforming or pressing

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G11B3/66Erasing information
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Patents Grantslast 30 patents

  • Information Patent Grant

    3652314
    • Patent number 3,652,314
    • Issue date Mar 28, 1972
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3227634
    • Patent number 3,227,634
    • Issue date Jan 4, 1966
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3213472
    • Patent number 3,213,472
    • Issue date Oct 26, 1965
    • B08 - CLEANING
  • Information Patent Grant

    3060477
    • Patent number 3,060,477
    • Issue date Oct 30, 1962
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2822580
    • Patent number 2,822,580
    • Issue date Feb 11, 1958
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2799894
    • Patent number 2,799,894
    • Issue date Jul 23, 1957
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2663050
    • Patent number 2,663,050
    • Issue date Dec 22, 1953
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2615197
    • Patent number 2,615,197
    • Issue date Oct 28, 1952
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2611927
    • Patent number 2,611,927
    • Issue date Sep 30, 1952
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2589185
    • Patent number 2,589,185
    • Issue date Mar 11, 1952
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2583297
    • Patent number 2,583,297
    • Issue date Jan 22, 1952
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2578457
    • Patent number 2,578,457
    • Issue date Dec 11, 1951
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2563701
    • Patent number 2,563,701
    • Issue date Aug 7, 1951
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2559539
    • Patent number 2,559,539
    • Issue date Jul 3, 1951
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2539717
    • Patent number 2,539,717
    • Issue date Jan 30, 1951
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2388127
    • Patent number 2,388,127
    • Issue date Oct 30, 1945
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2259585
    • Patent number 2,259,585
    • Issue date Oct 21, 1941
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    1448376
    • Patent number 1,448,376
    • Issue date Mar 13, 1923
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    1405208
    • Patent number 1,405,208
    • Issue date Jan 31, 1922
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    741047
    • Patent number 741,047
    • Issue date Oct 13, 1903
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    429079
    • Patent number 429,079
    • Issue date May 27, 1890
    • G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents