Patents Assigned to ProTV Development Inc.
  • Tape measure
    Patent number: D716676
    Type: Grant
    Filed: July 3, 2013
    Date of Patent: November 4, 2014
    Assignee: Protv Developments Inc.
    Inventor: Jack Tang
  • Thigh exercise machine
    Patent number: D719223
    Type: Grant
    Filed: April 18, 2013
    Date of Patent: December 9, 2014
    Assignee: ProTV Development Inc.
    Inventors: Jack Tang, Xiao-Jin Yao
  • Dryer brush
    Patent number: D776345
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: January 10, 2017
    Assignee: PROTV DEVELOPMENT INC.
    Inventor: Jack Tang
  • Foot grinder
    Patent number: D901081
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: November 3, 2020
    Assignee: PROTV DEVELOPMENT INC.
    Inventor: Jack Tang