Patents by Inventor Angus John Chapman

Angus John Chapman 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).

  • Loudspeaker assembly
    Patent number: D574368
    Type: Grant
    Filed: September 19, 2007
    Date of Patent: August 5, 2008
    Assignee: Innotech Pty Ltd.
    Inventor: Angus John Chapman
  • Microphone assembly
    Patent number: D580414
    Type: Grant
    Filed: September 19, 2007
    Date of Patent: November 11, 2008
    Assignee: Innotech Pty Ltd.
    Inventor: Angus John Chapman
  • Breathing apparatus communication assembly
    Patent number: D590936
    Type: Grant
    Filed: September 19, 2007
    Date of Patent: April 21, 2009
    Assignee: Innotech Pty Ltd.
    Inventor: Angus John Chapman