Granted Patent
Utility
US 6,796,191 · App. 10/359,885
Torque swivel and method of using same
Inventor:
Anthony R. Boyd
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: Feb 6, 2003
Inventor
Anthony R. Boyd
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.