Granted Patent
Utility
US 6,223,570 · App. 09/563,943
Housing for an automobile steering wheel lock
Inventor:
Tian-Yuan Chen
Patented Case
View Patent ↗
Granted: May 1, 2001
Filed: May 4, 2000
Inventor
Tian-Yuan Chen
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.