John A. Weaver

Person

  • York, PA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Rod-type conveyor belt

    • Patent number 4,613,037
    • Issue date Sep 23, 1986
    • Stewart Systems, Inc.
    • David B. Park
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL