with combinations of characters appearing on the screen at the same time

Patents Grantslast 30 patents

  • Information Patent Grant

    Manually operated photocomposing apparatus

    • Patent number 3,946,407
    • Issue date Mar 23, 1976
    • Shaken Co., Ltd.
    • Kiyoshi Ishii
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3588870

    • Patent number 3,588,870
    • Issue date Jun 28, 1971
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3548725

    • Patent number 3,548,725
    • Issue date Dec 22, 1970
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3514616

    • Patent number 3,514,616
    • Issue date May 26, 1970
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS