Granted Patent
Utility
US 5,692,334 · App. 08/574,402
Primarily independent composite/metallic gun barrel
Inventor:
Roland J. Christensen
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: Dec 18, 1995
Inventor
Roland J. Christensen
Assignee (at issue)
Roland J. Christensen Family Limited Partnership
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.