TREA

William E. Ziegler

Follow

Person

  • Ann Arbor, MI, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Multiple extrusion head assembly
    • Patent number 4,165,212
    • Issue date Aug 21, 1979
    • Hoover Universal, Inc.
    • William E. Ziegler
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method of blow molding
    • Patent number 4,126,658
    • Issue date Nov 21, 1978
    • Hoover Ball and Bearing Company
    • Samuel J. Rupert
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL