Granted Patent
Utility
US 5,157,211 · App. 07/830,077
Choke tube assembly
Inventor:
Alan I. Mossberg
Patented Case
View Patent ↗
Granted: Oct 20, 1992
Filed: Jan 31, 1992
Inventor
Alan I. Mossberg
Assignee (at issue)
O.F. MOSSBERG & SONS, 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.