Patents by Inventor Howard Demner

Howard Demner 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: 5245171
    Abstract: A mailing piece comprising the usual envelope enclosing a legible text. To induce the recipient to open the envelope and read the text, the envelope has a window (18) at which there is a manually operable actuator for a device which generates an audible message.
    Type: Grant
    Filed: July 27, 1990
    Date of Patent: September 14, 1993
    Inventors: Harvey Fox, Howard Demner