Patents by Inventor Calvin P. Glade

Calvin P. Glade 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: D346886
    Type: Grant
    Filed: April 7, 1992
    Date of Patent: May 10, 1994
    Inventor: Calvin P. Glade