Patents by Inventor Shu O Su

Shu O Su 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).

  • Chair backrest
    Patent number: D580199
    Type: Grant
    Filed: July 2, 2008
    Date of Patent: November 11, 2008
    Inventor: Shu O Su
  • Chair back
    Patent number: D580689
    Type: Grant
    Filed: April 22, 2008
    Date of Patent: November 18, 2008
    Inventor: Shu O Su
  • Chair back
    Patent number: D581708
    Type: Grant
    Filed: April 22, 2008
    Date of Patent: December 2, 2008
    Inventor: Shu O Su
  • Chair backrest
    Patent number: D595072
    Type: Grant
    Filed: December 4, 2008
    Date of Patent: June 30, 2009
    Inventor: Shu O Su
  • Chair backrest
    Patent number: D595520
    Type: Grant
    Filed: December 29, 2008
    Date of Patent: July 7, 2009
    Inventor: Shu O Su
  • Chair backrest
    Patent number: D603196
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: November 3, 2009
    Inventor: Shu O Su
  • Chair backrest
    Patent number: D603632
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: November 10, 2009
    Inventor: Shu O Su
  • Chair seat body
    Patent number: D667242
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: September 18, 2012
    Inventor: Shu O Su
  • Chair seat body
    Patent number: D667243
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: September 18, 2012
    Inventor: Shu O Su
  • Frame of chair backrest
    Patent number: D667244
    Type: Grant
    Filed: May 20, 2011
    Date of Patent: September 18, 2012
    Inventor: Shu O Su
  • Chair seat frame
    Patent number: D673796
    Type: Grant
    Filed: September 16, 2011
    Date of Patent: January 8, 2013
    Inventor: Shu O Su
  • Chair backrest
    Patent number: D769659
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: October 25, 2016
    Inventor: Shu O Su
  • Seat plate
    Patent number: D792141
    Type: Grant
    Filed: April 1, 2016
    Date of Patent: July 18, 2017
    Inventor: Shu O Su
  • Base of rocking chair
    Patent number: D820017
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: June 12, 2018
    Inventor: Shu O Su
  • Chair backrest
    Patent number: D842018
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: March 5, 2019
    Inventor: Shu O Su
  • Chair backrest
    Patent number: D842019
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: March 5, 2019
    Inventor: Shu O Su
  • Chair frame structure
    Patent number: D878124
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: March 17, 2020
    Inventor: Shu O Su
  • Chair frame structure
    Patent number: D878125
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: March 17, 2020
    Inventor: Shu O Su
  • Chair backrest
    Patent number: D913024
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: March 16, 2021
    Assignee: WELLWORKER INTERNATIONAL CO., LTD.
    Inventor: Shu O Su
  • Base support for ball chair
    Patent number: D990956
    Type: Grant
    Filed: August 30, 2020
    Date of Patent: July 4, 2023
    Assignee: WELLWORKER INTERNATIONAL CO., LTD.
    Inventor: Shu O Su