Patents by Inventor Lawrence F. Zielinski

Lawrence F. Zielinski 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).

  • Bicycle wheel or similar article
    Patent number: D256686
    Type: Grant
    Filed: June 6, 1979
    Date of Patent: September 2, 1980
    Assignee: NL Industries, Inc.
    Inventor: Lawrence F. Zielinski
  • Bicycle wheel or similar article
    Patent number: D256687
    Type: Grant
    Filed: June 6, 1979
    Date of Patent: September 2, 1980
    Assignee: NL Industries, Inc.
    Inventor: Lawrence F. Zielinski
  • Bicycle wheel or similar article
    Patent number: D256688
    Type: Grant
    Filed: June 6, 1979
    Date of Patent: September 2, 1980
    Assignee: NL Industries, Inc.
    Inventor: Lawrence F. Zielinski