TREA

Lawrence Zandstra

Follow

Person

  • Rockford, MI, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Scanning colorimeter with x-y drive
    • Patent number 6,031,617
    • Issue date Feb 29, 2000
    • X-Rite, Incorporated
    • Bernard J. Berg
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Scanning densitometer
    • Patent number 5,073,028
    • Issue date Dec 17, 1991
    • X-Rite, Incorporated
    • David R. Bowden
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Compact bill acceptor
    • Patent number 4,887,808
    • Issue date Dec 19, 1989
    • Rowe International, Inc.
    • Donald A. Dekker
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Ticket vendor
    • Patent number 3,978,958
    • Issue date Sep 7, 1976
    • Rowe International Inc.
    • Lawrence Zandstra
    • G07 - CHECKING-DEVICES