Patents by Inventor Sheppard Massar

Sheppard Massar 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).

  • Electronic missing file locator system
    Patent number: 5450070
    Abstract: A file folder locating system which includes a transmitter to selectively transmit packets of radio frequency cycles indicative of the coded address of a particular folder. A transponder, attached to the folder, receives the transmission and responds thereto by producing an audible sound which enables the file to be easily located.
    Type: Grant
    Filed: April 4, 1994
    Date of Patent: September 12, 1995
    Inventors: Sheppard Massar, Ted N. Altman