Patents by Inventor by Lillian Kahn, executrix

by Lillian Kahn, executrix 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: D350272
    Type: Grant
    Filed: October 15, 1992
    Date of Patent: September 6, 1994
    Inventors: Harry A. Kahn, deceased, by Lillian Kahn, executrix