Patents by Inventor Paul A. DeBoer

Paul A. DeBoer 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).

  • Megaphone-cup
    Patent number: 4125218
    Abstract: A hollow, frustoconical structure having a conical side wall concentric with its longitudinal axis, an end wall at the end of smaller diameter frangibly connected to the side wall at the smaller end, said end wall being sufficiently firmly attached to the side wall as to enable employing the structure as a container for beverages, snack foods and the like and, yet, easily removable to enable employing the structure as a megaphone.
    Type: Grant
    Filed: November 23, 1977
    Date of Patent: November 14, 1978
    Inventor: Paul A. DeBoer