Robert L. Hassenauer

Person

  • Wilmette, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Pneumatic hopper gate

    • Patent number 4,200,208
    • Issue date Apr 29, 1980
    • Evans Products Company
    • Robert L. Hassenauer
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL