Elmer Erwin

Person

  • Fort Collins, CO, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Spray nozzles

    • Patent number 3,958,756
    • Issue date May 25, 1976
    • Teledyne Water Pik
    • John Trenary
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...