TREA

Gerald D. St. John

Follow

Person

  • Jackson, MI, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Filter device with magnetic filter clamp
    • Patent number 4,468,321
    • Issue date Aug 28, 1984
    • Gelman Sciences Inc.
    • Gerald D. St. John
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL