Granted Patent
Utility
US 4,769,938 · App. 07/069,993
Composite barrel construction made using injection molding
Inventors:
M. Gaines Chesnut, Thomas L. Castetter
Patented Case
View Patent ↗
Granted: Sep 13, 1988
Filed: Jul 6, 1987
Inventors
M. Gaines Chesnut
Thomas L. Castetter
Assignee (at issue)
Ram-Line, 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.