Patents by Inventor David F. Ruppert

David F. Ruppert 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).

  • Hand puppet with two eye spheroids connected by cord
    Patent number: 5354226
    Abstract: A hand puppet in which two spheroids, each having an eye illustration upon their faces, are utilized to represent the puppet's eyes, and a flexible or rigid cord is used to connect the eyes and operate the puppet. Additional humanhold features such as a mouth, mustache, eyebrow, tongue, or hair can also be utilized.
    Type: Grant
    Filed: October 6, 1993
    Date of Patent: October 11, 1994
    Inventor: David F. Ruppert