Granted Patent
Utility
US 6,684,666 · App. 10/394,668
Operating and locking mechanisms for handcuffs
Inventor:
William D. Taper
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Mar 21, 2003
Inventor
William D. Taper
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.