PRECISION INSTRUMENT DESIGN, INC

Organization

  • TAHOE CITY, CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Device and method for circulating fluid over a membrane

    • Patent number 5,599,688
    • Issue date Feb 4, 1997
    • Precision Instrument Design
    • George M. Grass
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Membrane holder

    • Patent number 5,591,636
    • Issue date Jan 7, 1997
    • Precision Instrument Design
    • George M. Grass
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL