Patents by Inventor Daniel Eugene Beltzer

Daniel Eugene Beltzer 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).

  • Tactile feedback device
    Publication number: 20040038186
    Abstract: A tactile feedback device includes a plurality of tactile elements. At least one of the plurality of tactile elements includes a movable member and an expandable substance positioned adjacent to the movable member. The movable member is displaced to provide tactile feedback in response to the expandable substance being expanded.
    Type: Application
    Filed: August 21, 2002
    Publication date: February 26, 2004
    Inventors: Michael Joseph Martin, William Edward Britton, Daniel Eugene Beltzer