Chih-Lun Hsieh — 6 Patents at Door & Window Hardware

Chih-Lun Hsieh has been granted 6 US patents while listed as an inventor at Door & Window Hardware. The first was granted in 2003 and the most recent in June 2019. Chih-Lun Hsieh ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Chih-Lun Hsieh in Taichung, TW.

Patents per Year

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #	Title	Co-Inventors	Date
10323438	Two-point lock	Wei-Hung Chang	2019-06-18
9145720	Magnetic locking apparatus	Wei-Hung Chang	2015-09-29
8875549	Lock assembly	Wei-Hung Chang	2014-11-04
7673373	Frameless glass door clamp	Wei-Hung Chang	2010-03-09
7637059	Roller assembly for a frameless sliding glass door	James Chang	2009-12-29
6591987	Wafer retainer	Tzong-Ming Wu, Tien-Lu Ho	2003-07-15