Patents by Inventor Gerd Boller

Gerd Boller 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).

  • Element guards for electric toasters
    Patent number: 4038520
    Abstract: An element guard for an electric toaster is formed from a sheet metal blank and has at least one grid formed by extending a slotted area of the blank. The guard defines a toasting chamber within the toaster and the grid has openings therein so that heat radiated by a heating element of the toaster can toast bread in the toasting chamber.
    Type: Grant
    Filed: June 2, 1975
    Date of Patent: July 26, 1977
    Assignee: Rowenta-Werke GmbH
    Inventors: Gerd Boller, Karl Knott, Heinz Marburger, Norbert Voss, Manfred Wolf