Patents by Inventor Allan B. Schwartzberg

Allan B. Schwartzberg 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).

  • Hand-held filmstrip viewer
    Patent number: D381033
    Type: Grant
    Filed: April 22, 1996
    Date of Patent: July 15, 1997
    Inventor: Allan B. Schwartzberg