Jerry C. Levingston

Person

  • Salem, MO, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Pipe extrusion process

    • Patent number 6,488,802
    • Issue date Dec 3, 2002
    • Jerry C. Levingston
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Pipe extrusion apparatus including winding a hollow profile

    • Patent number 6,105,649
    • Issue date Aug 22, 2000
    • Levingston; Jerry C.
    • Jerry C. Levingston
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL