Granted Patent
Utility
US 5,749,177 · App. 08/339,819
Pistol range backstop
Inventors:
John Pontus, Stephen H. Young
Patented Case
View Patent ↗
Granted: May 12, 1998
Filed: Nov 15, 1994
Inventors
John Pontus
Stephen H. Young
Assignee (at issue)
LOCKHEED MARTIN CORPORATION
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.