Inventor
LIN SAN-YI
TW8 patents
Patents
8 patentsUS5551264ASep 3, 1996
Door lock having a deadbolt assembly with a low-cost corrosion-resistant bolt member
TONG LUNG METAL IND CO LTD33 citations92
US5474346ADec 12, 1995
Face plate adapted to be inserted into a bore of a door
TONG LUNG METAL IND CO LTD22 citations92
US5385374AJan 31, 1995
Reinforced cylindrical door lock set
TONG LUNG METAL IND CO LTD24 citations92
US5301526AApr 12, 1994
Lock set with improved spindle mechanism
TONG LUNG METAL IND CO LTD48 citations92
US5074605ADec 24, 1991
Duplex latch-bolt mechanism
TONG LUNG METAL IND CO LTD27 citations92
US5722273AMar 3, 1998
Latch bolt operating device
TONG LUNG METAL IND CO LTD44 citations91
US5666833ASep 16, 1997
Reinforcing apparatus for a lever handle of a door lock
TONG LUNG METAL IND CO LTD53 citations90
US5551740ASep 3, 1996
Retaining assembly for retaining releasably a door at a desired open position to a door frame
TONG LUNG METAL IND CO LTD25 citations90