TREA

Dan G. Weimer

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  • Scottsdale, AZ, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Card reader security system
    • Patent number 4,296,315
    • Issue date Oct 20, 1981
    • Engineered Systems, Inc.
    • Dan G. Weimer
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Sequential card reader system
    • Patent number 4,273,996
    • Issue date Jun 16, 1981
    • Engineered Systems, Inc.
    • Dan G. Weimer
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Power failure detection and restart system
    • Patent number 4,234,920
    • Issue date Nov 18, 1980
    • Engineered Systems, Inc.
    • Bradford O. Van Ness
    • G06 - COMPUTING CALCULATING COUNTING