Patents by Inventor Tassilo V. Grolman

Tassilo V. Grolman 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).

  • Tea brewer
    Patent number: D307229
    Type: Grant
    Filed: May 20, 1986
    Date of Patent: April 17, 1990
    Inventor: Tassilo V. Grolman