Tien-Kao Liu

FC Federal Lock Co.: 3 patents #1 of 1Top 100%

📍 Chunri, TW: #3 of 30 inventorsTop 10%

Overall (2022): #59,149 of 548,613Top 15%

Patents 2022

Issued Patents 2022

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
11408207	Lock with a long-travel deadbolt	—	2022-08-09
11384569	Lock with replaceable modules	—	2022-07-12
11261619	Lock with a roller deadbolt	—	2022-03-01