Patents by Inventor Walter L. Cowan, Jr.

Walter L. Cowan, Jr. 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).

  • Stand for potted plants
    Patent number: D244571
    Type: Grant
    Filed: November 28, 1975
    Date of Patent: June 7, 1977
    Inventor: Walter L. Cowan, Jr.