Granted Patent
Utility
US 6,099,053 · App. 09/209,432
Lock with improved torsional strength
Inventor:
Lan-Shi Huang
Patented Case
View Patent ↗
Granted: Aug 8, 2000
Filed: Dec 11, 1998
Inventor
Lan-Shi Huang
Assignee (at issue)
Taiwan Fu Hsing Industrial Co., Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.