Roger L. Quaintance

Person

  • Henderson, NE, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Diverter valve

    • Patent number 4,669,505
    • Issue date Jun 2, 1987
    • Cyclonaire Corporation
    • George C. Nelson
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL