Ching-Hsiung Cheng

LO Lock-R-Lock: 1 patents #3 of 3Top 100%

📍 Danei, TW: #231 of 1,188 inventorsTop 20%

Overall (All Time): #1,618,903 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
6473946	Magnetic clasp	—	2002-11-05
5575197	Modular roasting pan having a jointer	—	1996-11-19
4751830	Push-button padlock with secondary key	—	1988-06-21