David R. Polakowski

Person

  • Longmont, CO, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Copier and multifunction paper cassette

    • Patent number 4,279,504
    • Issue date Jul 21, 1981
    • International Business Machines Corporation
    • Leon C. Brown
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL