Patents by Inventor Martin A. Leiffring

Martin A. Leiffring 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).

  • Air freshener
    Patent number: D515191
    Type: Grant
    Filed: November 12, 2003
    Date of Patent: February 14, 2006
    Assignee: Odorite International, Inc.
    Inventors: Harlow E. Bunch, Martin A. Leiffring