Mouthpiece Or Earpiece (24) Patents (Class D14/249)
  • Telephone set
    Patent number: 4876714
    Abstract: A telephone set and a handset are provided which are capable for preventing acoustic coupling between a telephone transmitter and a telephone receiver by isolating the transmitter from the region of the receiver.
    Type: Grant
    Filed: January 15, 1987
    Date of Patent: October 24, 1989
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Shigeyuki Yoshida, Atsushi Musha, Takayuki Nonami
  • Foam ear cushion for telephone headset or similar article
    Patent number: D299344
    Type: Grant
    Filed: October 1, 1986
    Date of Patent: January 10, 1989
    Assignee: ACS Communications, Inc.
    Inventor: Toni R. Stevens
  • Telephone handset
    Patent number: D302155
    Type: Grant
    Filed: October 16, 1987
    Date of Patent: July 11, 1989
    Assignee: Tasca International Ltd.
    Inventor: Takei Yoshiharu
  • Extension attachment for a telephone earpiece
    Patent number: D305027
    Type: Grant
    Filed: June 15, 1988
    Date of Patent: December 12, 1989
    Inventors: Harry Catey, Erling C. Hesla
  • Telephone receiver cushion
    Patent number: D305235
    Type: Grant
    Filed: June 12, 1987
    Date of Patent: December 26, 1989
    Inventor: Don M. Moore
  • Telephone handset for accommodating ear jewelry
    Patent number: D306169
    Type: Grant
    Filed: June 22, 1988
    Date of Patent: February 20, 1990
    Inventor: Virginia I. Burton
  • Cover set for a transmitter-receiver telephone handset
    Patent number: D307275
    Type: Grant
    Filed: November 14, 1988
    Date of Patent: April 17, 1990
    Inventor: Ronald Pollard
  • Handset telephone mouthpiece cover
    Patent number: D307753
    Type: Grant
    Filed: December 21, 1987
    Date of Patent: May 8, 1990
    Inventor: Anthony J. Oliver
  • Unitary telephone ear receiver element and attached microphone
    Patent number: D309306
    Type: Grant
    Filed: March 13, 1989
    Date of Patent: July 17, 1990
    Inventors: Margaret A. Weiser, Issac Weiser