TREA

Fredy E. Graf

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  • San Diego, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical card reader
    • Patent number 4,295,051
    • Issue date Oct 13, 1981
    • General Atomic Company
    • Fredy E. Graf
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Battery backup system
    • Patent number 4,143,283
    • Issue date Mar 6, 1979
    • General Atomic Company
    • Fredy E. Graf
    • G06 - COMPUTING CALCULATING COUNTING