Granted Patent
Utility
US 6,708,837 · App. 10/073,206
Locking system and method for rotary closure assembly
Inventor:
Brian Smith
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Feb 13, 2002
Inventor
Brian Smith
Assignee (at issue)
General Signal UK Limited
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.