Patents by Inventor Charles P. Regensburg

Charles P. Regensburg 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).

  • Eyeglasses with logo space
    Patent number: D338026
    Type: Grant
    Filed: December 30, 1991
    Date of Patent: August 3, 1993
    Inventors: Alice B. Regensburg, Charles P. Regensburg
  • Chair with swing seat
    Patent number: D418321
    Type: Grant
    Filed: June 18, 1998
    Date of Patent: January 4, 2000
    Inventor: Charles P. Regensburg
  • Cake of soap
    Patent number: D431677
    Type: Grant
    Filed: December 2, 1999
    Date of Patent: October 3, 2000
    Inventor: Charles P. Regensburg