Granted Patent
Utility
US 6,568,224 · App. 10/091,272
Operating and locking mechanisms for handcuffs
Inventors:
William D. Taper, Gary S. Frost
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Mar 5, 2002
Inventors
William D. Taper
Gary S. Frost
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.