Fritz Mumenthaler

Person

  • St. Gallen, CH

Patents Grantslast 30 patents

  • Information Patent Grant

    Valve

    • Patent number 4,809,737
    • Issue date Mar 7, 1989
    • Spuhl KG
    • Fritz Mumenthaler
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL