Tape, card with magnetic, luminescent, iron particles for sequence

Patents Grantslast 30 patents

  • Information Patent Grant

    Chemical dispensing system using keyboardless data entry

    • Patent number 6,325,286
    • Issue date Dec 4, 2001
    • Delaware Capital Formation, Inc.
    • David R. Howland
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Marked card reader employing afocal spatial filtering

    • Patent number 6,299,066
    • Issue date Oct 9, 2001
    • Delaware Capital Formation, Inc.
    • David R. Howland
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3447108

    • Patent number 3,447,108
    • Issue date May 27, 1969
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3424879

    • Patent number 3,424,879
    • Issue date Jan 28, 1969
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    2888570

    • Patent number 2,888,570
    • Issue date May 26, 1959
    • G06 - COMPUTING CALCULATING COUNTING