Christopher A. Grubbs

Person

  • New Braunfels, TX, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Tamper detect monitoring device

    • Patent number 5,627,520
    • Issue date May 6, 1997
    • ProTell Systems International, Inc.
    • Christopher A. Grubbs
    • G07 - CHECKING-DEVICES