Patents Assigned to Precision Punch & Plastics Co.
  • Liner material and method
    Patent number: 4529660
    Abstract: A laminated material and method, a liner using the material, and several methods of manufacturing the material.
    Type: Grant
    Filed: May 11, 1981
    Date of Patent: July 16, 1985
    Assignee: Precision Punch & Plastics Co.
    Inventor: Robert J. Heim