Patents by Inventor Lawrence W. Stachniak

Lawrence W. Stachniak has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Two-piece segmented mold
    Patent number: 6318985
    Abstract: An improved two-piece segmented mold includes a plurality of tread mold segments mounted to a frustoconical seat in a mold back by a T-shaped guide bar inserted in a guide slot formed in the seat. The segments are biased to a normally closed position in abutment with adjacent segments and in abutment with a mold side plate.
    Type: Grant
    Filed: September 15, 2000
    Date of Patent: November 20, 2001
    Assignee: Michelin Recherche et Technique S.A.
    Inventors: John F. Heindel, Joe E. Birch, Jr., Richard A. Spivey, Lawrence W. Stachniak, Robert G. Tyler