Granted Patent
Utility
US 4,663,875 · App. 06/814,254
Rifle handguard assembly having outer shell with outer and inner liners
Inventor:
Henry J. Tatro
Patented Case
View Patent ↗
Granted: May 12, 1987
Filed: Dec 30, 1985
Inventor
Henry J. Tatro
Assignee (at issue)
Colt Industries, 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.