Patents by Inventor William H. Koeller

William H. Koeller 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).

  • Can guard
    Patent number: 3994424
    Abstract: A can guard comprising a peripheral lip, a pouring spout, and handle clearance cutouts.
    Type: Grant
    Filed: June 9, 1975
    Date of Patent: November 30, 1976
    Assignee: Lawrence Peska Associates, Inc.
    Inventor: William H. Koeller