Patents by Inventor Beatrice K. Schaer

Beatrice K. Schaer 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: D269646
    Type: Grant
    Filed: May 29, 1981
    Date of Patent: July 12, 1983
    Inventor: Beatrice K. Schaer