Granted Patent
Utility
US 6,701,658 · App. 10/387,102
Multiple device gun barrel cleaning tool
Inventor:
Frank R. Brownell
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: Mar 12, 2003
Inventor
Frank R. Brownell
Assignee (at issue)
Brownells, 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.