Granted Patent
Utility
US 5,187,312 · App. 07/777,021
Two stage trigger assembly
Inventor:
William E. Osborne
Patented Case
View Patent ↗
Granted: Feb 16, 1993
Filed: Oct 16, 1991
Inventor
William E. Osborne
Assignee (at issue)
The Marlin Firearms Company
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.