Patents by Inventor Peter R. Milton

Peter R. Milton 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).

  • Telephone hearing aid
    Patent number: 4596899
    Abstract: A portable telephone hearing aid having an acousto-acoustic/magnetic amplifier providing a maximum gain of 20 dB has a circular housing at one end of a U-shaped resilient clip member for attaching it to the telephone receiver in a handset. A battery compartment, also housing an ON/OFF switch, and a gain control wheel, is located at the other end of the U-shaped clip.
    Type: Grant
    Filed: September 14, 1984
    Date of Patent: June 24, 1986
    Assignee: Northern Telecom Limited
    Inventors: Jacek J. Wojcik, Andrzej Przybysz, Peter R. Milton
  • Telephone headset hearing aid
    Patent number: D289289
    Type: Grant
    Filed: July 31, 1984
    Date of Patent: April 14, 1987
    Assignee: Northern Telecom Limited
    Inventors: Jacek J. Wojcik, Andrzej Przybysz, Peter R. Milton