Granted Patent
Utility
US 5,755,535 · App. 08/697,098
Mine roof truss system and related installation method
Inventor:
William G. Fox
Patented Case
View Patent ↗
Granted: May 26, 1998
Filed: Aug 19, 1996
Inventor
William G. Fox
Assignee (at issue)
Triad Support Systems, Inc.
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.