Inventor
GAO SHEEN-YOUL
TW8 patents
⚠️ This page may combine multiple inventors who share the name “GAO SHEEN-YOUL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TONG LUNG METAL IND CO LTD
7 patentsUSD513469SJan 10, 2006
Escutcheon
TONG LUNG METAL IND CO LTD62 citations94
US5722273AMar 3, 1998
Latch bolt operating device
TONG LUNG METAL IND CO LTD44 citations91
USD508393SAug 16, 2005
Escutcheon
TONG LUNG METAL IND CO LTD32 citations90
US5666833ASep 16, 1997
Reinforcing apparatus for a lever handle of a door lock
TONG LUNG METAL IND CO LTD53 citations90
US6109080AAug 29, 2000
Transmission devices for locks with changeable lock core assemblies
TONG LUNG METAL IND CO LTD40 citations89
US5624141AApr 29, 1997
Lock assembly for retracting a door latch
TONG LUNG METAL IND CO LTD18 citations82
US6928844B2Aug 16, 2005
Latching device for a lock
TONG LUNG METAL IND CO LTD11 citations71