Talking machine tablet

Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for drilling a hole having an undercut space

    • Patent number 5,810,523
    • Issue date Sep 22, 1998
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Magnetic disk tester

    • Patent number 5,423,111
    • Issue date Jun 13, 1995
    • Hitachi Electronics Engineering Co., Ltd.
    • Kyoichi Mori
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Method of turning grooves

    • Patent number 5,331,871
    • Issue date Jul 26, 1994
    • Carrier Corporation
    • Daniel V. Viens
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method for manufacturing disk-shaped recording media

    • Patent number 5,108,789
    • Issue date Apr 28, 1992
    • Leybold Aktiengesellschaft
    • Klaus Michael
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Magnetic sheet polishing device

    • Patent number 5,018,257
    • Issue date May 28, 1991
    • Fuji Photo Film Co., Ltd.
    • Yasuo Nagashima
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Magnetic sheet polishing device

    • Patent number 4,976,020
    • Issue date Dec 11, 1990
    • Fuji Photo Film Co., Ltd.
    • Yasuo Nagashima
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Apparatus for machining workpieces, particularly flat circular disk...

    • Patent number 4,936,180
    • Issue date Jun 26, 1990
    • Leybold Aktiengesellschaft
    • Klaus Michael
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Record engraving apparatus

    • Patent number 4,597,700
    • Issue date Jul 1, 1986
    • Mattel, Inc.
    • John C. Woolington
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Article transfer apparatus

    • Patent number 4,264,254
    • Issue date Apr 28, 1981
    • RCA Corporation
    • Benjamin J. Chang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Trimming disc records

    • Patent number 4,235,136
    • Issue date Nov 25, 1980
    • EMI Electrola Gesellschaft mit beschrankter Haftung
    • Hermann Strausfeld
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3186029

    • Patent number 3,186,029
    • Issue date Jun 1, 1965
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2586663

    • Patent number 2,586,663
    • Issue date Feb 19, 1952
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2373960

    • Patent number 2,373,960
    • Issue date Apr 17, 1945
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2300923

    • Patent number 2,300,923
    • Issue date Nov 3, 1942
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2265032

    • Patent number 2,265,032
    • Issue date Dec 2, 1941
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2259585

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

    2247747

    • Patent number 2,247,747
    • Issue date Jul 1, 1941
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2231431

    • Patent number 2,231,431
    • Issue date Feb 11, 1941
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2231430

    • Patent number 2,231,430
    • Issue date Feb 11, 1941
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2231096

    • Patent number 2,231,096
    • Issue date Feb 11, 1941
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2209833

    • Patent number 2,209,833
    • Issue date Jul 30, 1940
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2209835

    • Patent number 2,209,835
    • Issue date Jul 30, 1940
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2209834

    • Patent number 2,209,834
    • Issue date Jul 30, 1940
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2209836

    • Patent number 2,209,836
    • Issue date Jul 30, 1940
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2192597

    • Patent number 2,192,597
    • Issue date Mar 5, 1940
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2192598

    • Patent number 2,192,598
    • Issue date Mar 5, 1940
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2184367

    • Patent number 2,184,367
    • Issue date Dec 26, 1939
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2184368

    • Patent number 2,184,368
    • Issue date Dec 26, 1939
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2184365

    • Patent number 2,184,365
    • Issue date Dec 26, 1939
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2184366

    • Patent number 2,184,366
    • Issue date Dec 26, 1939
    • G11 - INFORMATION STORAGE