David A. Wozniak

Person

  • Michigan City, IN, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Roll-up type U-tube manometer

    • Patent number 4,380,173
    • Issue date Apr 19, 1983
    • Dwyer Instruments, Inc.
    • David A. Wozniak
    • G01 - MEASURING TESTING