TREA

William K. Stewart

Follow

Person

  • Woburn, MA, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Smart tracking system
    • Patent number 5,384,594
    • Issue date Jan 24, 1995
    • Jonathan D. Sieber
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Smart tracking system
    • Patent number 5,231,483
    • Issue date Jul 27, 1993
    • Visionary Products, Inc.
    • Jonathan D. Sieber
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Ultrasonic tracking system
    • Patent number 4,980,871
    • Issue date Dec 25, 1990
    • Visionary Products, Inc.
    • Jonathan D. Sieber
    • G01 - MEASURING TESTING