Granted Patent
Utility
US 5,447,572 · App. 08/130,161
Method for removing debris from barrel locks
Inventor:
Betty J. LaClair
Patented Case
View Patent ↗
Granted: Sep 5, 1995
Filed: Sep 30, 1993
Inventor
Betty J. LaClair
Assignee (at issue)
Oklahoma Gas And Electric Company
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.