Granted Patent
Utility
US 5,827,992 · App. 08/957,140
Gas operated firearm
Inventors:
Michael R. Harris, James F. Taylor
Patented Case
View Patent ↗
Granted: Oct 27, 1998
Filed: Oct 24, 1997
Inventors
Michael R. Harris
James F. Taylor
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.