Patents by Inventor Samuel I. Landsman

Samuel I. Landsman 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: D257238
    Type: Grant
    Filed: December 10, 1979
    Date of Patent: October 7, 1980
    Inventor: Samuel I. Landsman