Patents by Inventor Stewart James Heaysman

Stewart James Heaysman 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).

  • Hearing device
    Patent number: D674490
    Type: Grant
    Filed: November 23, 2011
    Date of Patent: January 15, 2013
    Assignee: Siemens Medical Instruments Pte. Ltd.
    Inventors: John William Bailey, Stewart James Heaysman, Frank Naumann, Steven Rose
  • Hearing device
    Patent number: D674491
    Type: Grant
    Filed: November 23, 2011
    Date of Patent: January 15, 2013
    Assignee: Siemens Medical Instruments Pte. Ltd.
    Inventors: John William Bailey, Stewart James Heaysman, Frank Naumann, Steven Rose
  • Hearing instrument
    Patent number: D684698
    Type: Grant
    Filed: May 25, 2012
    Date of Patent: June 18, 2013
    Assignee: Siemens Medical Instruments Pte. Ltd.
    Inventors: Stewart James Heaysman, Frank Naumann
  • Hearing device
    Patent number: D684699
    Type: Grant
    Filed: June 13, 2012
    Date of Patent: June 18, 2013
    Assignee: Siemens Medical Instruments Pte. Ltd.
    Inventors: Stewart James Heaysman, Frank Naumann, Steven Rose, Frank Jens Schumann
  • Hearing device
    Patent number: D684700
    Type: Grant
    Filed: June 14, 2012
    Date of Patent: June 18, 2013
    Assignee: Siemens Medical Instruments Pte. Ltd.
    Inventors: Stewart James Heaysman, Frank Naumann, Steven Rose, Frank Jens Schumann
  • Hearing device
    Patent number: D685481
    Type: Grant
    Filed: June 13, 2012
    Date of Patent: July 2, 2013
    Assignee: Siemens Medical Instruments Pte. Ltd.
    Inventors: Stewart James Heaysman, Frank Naumann