Phonograph component making

Patents Grantslast 30 patents

  • Information Patent Grant

    Aluminum-aluminum oxide stylus arm

    • Patent number 4,509,159
    • Issue date Apr 2, 1985
    • Pickering & Company, Inc.
    • George Alexandrovich
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Technique for uniform stylus configuration

    • Patent number 4,330,915
    • Issue date May 25, 1982
    • RCA Corporation
    • Eugene O. Keizer
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3892025

    • Patent number 3,892,025
    • Issue date Jul 1, 1975
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3383752

    • Patent number 3,383,752
    • Issue date May 21, 1968
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2961750

    • Patent number 2,961,750
    • Issue date Nov 29, 1960
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2960759

    • Patent number 2,960,759
    • Issue date Nov 22, 1960
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Grant

    2815216

    • Patent number 2,815,216
    • Issue date Dec 3, 1957
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2806704

    • Patent number 2,806,704
    • Issue date Sep 17, 1957
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2599312

    • Patent number 2,599,312
    • Issue date Jun 3, 1952
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2557350

    • Patent number 2,557,350
    • Issue date Jun 19, 1951
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2519488

    • Patent number 2,519,488
    • Issue date Aug 22, 1950
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2509012

    • Patent number 2,509,012
    • Issue date May 23, 1950
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2501126

    • Patent number 2,501,126
    • Issue date Mar 21, 1950
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    2381463

    • Patent number 2,381,463
    • Issue date Aug 7, 1945
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2173763

    • Patent number 2,173,763
    • Issue date Sep 19, 1939
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2145276

    • Patent number 2,145,276
    • Issue date Jan 31, 1939
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2121272

    • Patent number 2,121,272
    • Issue date Jun 21, 1938
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1566162

    • Patent number 1,566,162
    • Issue date Dec 15, 1925
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1409498

    • Patent number 1,409,498
    • Issue date Mar 14, 1922
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    1368936

    • Patent number 1,368,936
    • Issue date Feb 15, 1921
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1318997

    • Patent number 1,318,997
    • Issue date Oct 14, 1919
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    1251907

    • Patent number 1,251,907
    • Issue date Jan 1, 1918
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    1246382

    • Patent number 1,246,382
    • Issue date Nov 13, 1917
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    1163567

    • Patent number 1,163,567
    • Issue date Dec 7, 1915
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    1099349

    • Patent number 1,099,349
    • Issue date Jun 9, 1914
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1061258

    • Patent number 1,061,258
    • Issue date May 13, 1913
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    1038942

    • Patent number 1,038,942
    • Issue date Sep 17, 1912
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    965330

    • Patent number 965,330
    • Issue date Jul 26, 1910
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    941291

    • Patent number 941,291
    • Issue date Nov 23, 1909
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    900706

    • Patent number 900,706
    • Issue date Oct 13, 1908
    • G11 - INFORMATION STORAGE