Patents by Inventor Allen G. Stolzfus

Allen G. Stolzfus 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).

  • System and method for language instruction
    Patent number: 7524191
    Abstract: A system and method for language instruction is provided. In an embodiment, a method of language instruction is provided which comprises presenting a first description of an event responsive to a first perspective and presenting a second description of the event responsive to a second perspective, wherein the first description of the event and the second description of the event are in a common language. The first and second descriptions of the event can be provided in a variety of formats, such as in audio format or as text.
    Type: Grant
    Filed: September 2, 2003
    Date of Patent: April 28, 2009
    Assignee: Rosetta Stone Ltd.
    Inventors: Jack A. Marmorstein, Gregory A. Keim, Eugene H. Stoltzfus, Duane M. Sider, John R. Stolzfus, legal representative, Allen G. Stolzfus