Granted Patent
Utility
US 5,651,203 · App. 08/602,919
Breech plug and ignition system for muzzle-loading firearm
Inventor:
William A. Knight
Patented Case
View Patent ↗
Granted: Jul 29, 1997
Filed: Feb 16, 1996
Inventor
William A. Knight
Assignee (at issue)
Modern Muzzleloading, 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.