Patents Assigned to Spring Art Company
  • Hose connector
    Patent number: D955531
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: June 21, 2022
    Assignee: Spring Art Company
    Inventor: Ming-Tsan Yen
  • Hose connector
    Patent number: D960331
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: August 9, 2022
    Assignee: Spring Art Company
    Inventor: Ming-Tsan Yen