Patents by Inventor David L. Trudeau, Sr.

David L. Trudeau, Sr. 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).

  • Umbrella, parasol and the like
    Patent number: 4597400
    Abstract: An umbrella having substantially the appearance of a conventional umbrella extends to open in the form of a baseball hat with the brim extending. The hat includes baseball team insignia. The closing of the umbrella infolds the brim on a linkage interconnected with the usual umbrella closing mechanism. The closed umbrella with a cover and a bat handle is a set which makes the umbrella have the appearance of a baseball bat.
    Type: Grant
    Filed: April 16, 1984
    Date of Patent: July 1, 1986
    Inventor: David L. Trudeau, Sr.