Lennart Backstrom

Person

  • Sala, SE

Patents Grantslast 30 patents

  • Information Patent Grant

    Method and means for pressure filtering

    • Patent number 4,900,454
    • Issue date Feb 13, 1990
    • Sala International AB
    • Hans-Goran Hedlund
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL