Patents by Inventor Olga E. Wolkenstein

Olga E. Wolkenstein 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: D443127
    Type: Grant
    Filed: July 13, 2000
    Date of Patent: June 5, 2001
    Inventor: Olga E. Wolkenstein
  • Patent number: D448539
    Type: Grant
    Filed: March 19, 2001
    Date of Patent: October 2, 2001
    Inventor: Olga E. Wolkenstein