Patents by Inventor Raymond D. Kiefer

Raymond D. Kiefer 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).

  • Hat simulating a fried egg
    Patent number: 5457821
    Abstract: A novelty hat in the form of a baseball cap has a yellow colored dome shaped top and a white colored brim, the outer periphery of which is irregular and part of which projects outwardly to form a visor. On the head of the wearer the hat makes the visual impression of a fried egg.
    Type: Grant
    Filed: February 22, 1994
    Date of Patent: October 17, 1995
    Inventor: Raymond D. Kiefer