Patents by Inventor Leroy Gutkneht

Leroy Gutkneht 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).

  • Patent number: D272920
    Type: Grant
    Filed: November 18, 1980
    Date of Patent: March 6, 1984
    Inventors: Michael Wichinsky, Leroy Gutkneht