Granted Patent
Utility
US 6,092,960 · App. 09/179,734
Concrete joint restraint system
Inventor:
James P. McCallion
Patented Case
View Patent ↗
Granted: Jul 25, 2000
Filed: Oct 27, 1998
Inventor
James P. McCallion
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.