Robert B. Otto

Person

  • Champlin, MN, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Fluid dispensing piston

    • Patent number 4,179,050
    • Issue date Dec 18, 1979
    • Minnesota Mining and Manufacturing Company
    • Francis M. Farrell
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...