Patents by Inventor William C. Griebel

William C. Griebel 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: 4208846
    Abstract: An easily installed awning includes a pair of side frame members and a plurality of generally vertical slats carried by slots in the upper surfaces of the side members.
    Type: Grant
    Filed: August 22, 1978
    Date of Patent: June 24, 1980
    Inventor: William C. Griebel