TREA

Richard A. Olson

Follow

Person

  • Minnetonka, MN, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Lawn sprinkler programmer
    • Patent number 3,960,327
    • Issue date Jun 1, 1976
    • Richard A. Olson
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...