Patents by Inventor Bruce A. Singer

Bruce A. Singer 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).

  • Patent number: D309527
    Type: Grant
    Filed: September 29, 1986
    Date of Patent: July 31, 1990
    Inventor: Bruce A. Singer