Granted Patent
Utility
US 5,086,578 · App. 07/628,345
Sear positioning spring for a firearm
Inventors:
Bryant L. Lishness, Paul Scirica
Patented Case
View Patent ↗
Granted: Feb 11, 1992
Filed: Dec 14, 1990
Inventors
Bryant L. Lishness
Paul Scirica
Assignee (at issue)
COLT'S MANUFACTURING COMPANY LLC
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.