Public Address System Patents (Class D14/185)
Hand held (Class D14/186)
  • Public address system
    Patent number: D512979
    Type: Grant
    Filed: January 6, 2004
    Date of Patent: December 20, 2005
    Assignee: Symphonix Limited
    Inventors: Mike Corcoran, David McNeill, Laurence Mayes, William Day
  • Central unit for conference and public address systems
    Patent number: D468287
    Type: Grant
    Filed: September 14, 2001
    Date of Patent: January 7, 2003
    Assignee: Koninklijke Philips Electronics N.V.
    Inventor: Michiel Cornelissen
  • Wireless public address system
    Patent number: D471175
    Type: Grant
    Filed: March 28, 2002
    Date of Patent: March 4, 2003
    Assignee: Ecen Electronics Co., Ltd.
    Inventor: Henry Lo
  • Public address unit
    Patent number: D314962
    Type: Grant
    Filed: December 4, 1987
    Date of Patent: February 26, 1991
    Assignee: The Quaker Oats Company
    Inventor: M. Allyson Hilton
  • Sound wave guide system for loudspeaker
    Patent number: D705193
    Type: Grant
    Filed: October 15, 2012
    Date of Patent: May 20, 2014
    Assignee: Yoon Tone
    Inventors: Jackie Yoon, Jong Moo Yoon
  • Loudspeaker
    Patent number: D722994
    Type: Grant
    Filed: December 21, 2013
    Date of Patent: February 24, 2015
    Assignee: Helios S.R.L.
    Inventors: Gian Luca Masciangelo, Guido Guidotti Mori
  • Combined loudspeaker and speakerphone
    Patent number: D730312
    Type: Grant
    Filed: August 20, 2012
    Date of Patent: May 26, 2015
    Assignee: GN Netcom A/S
    Inventors: Steffen Molgaard Larsen, Rasmus Trudslev Pedersen, Thomas Laenner
  • Display screen or portion thereof with graphical user interface
    Patent number: D786821
    Type: Grant
    Filed: May 18, 2015
    Date of Patent: May 16, 2017
    Assignee: Gecko Health Innovations, Inc.
    Inventors: Yechiel Engelhard, Mark Maalouf
  • Communicator
    Patent number: D837180
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: January 1, 2019
    Assignee: KOVACORP
    Inventor: Christopher Anthony Silva
  • Call station
    Patent number: D878317
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: March 17, 2020
    Assignee: Honeywell International Inc.
    Inventors: Xingxin Liu, Yilong Huang, Chuan Cheng Han, JunTao Zhang
  • Control unit
    Patent number: D906276
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: December 29, 2020
    Assignee: Honeywell International Inc.
    Inventors: Tom Liu, Yu Yan, Hai Ling, Xiaoxin Wu, Kiki Hu
  • Loudspeaker
    Patent number: D1021856
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: April 9, 2024
    Assignee: Harman International Industries, Incorporated
    Inventors: Hoyean Kim, Tao Lu, Alexander Demin