TREA

Cristian A. Fraenkel

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  • San Mateo, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Computer pointing device
    • Patent number 5,574,480
    • Issue date Nov 12, 1996
    • Kensington Microware Limited
    • Maarten R. Pranger
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Computer pointing device
    • Patent number 5,428,369
    • Issue date Jun 27, 1995
    • Kensington Microware Limited
    • Maarten R. Pranger
    • G06 - COMPUTING CALCULATING COUNTING