Granted Patent
Utility
US 4,280,407 · App. 06/040,776
Explosive package assembly
Inventors:
John R. Allen, Louis-Georges Desrochers, Alain Loyer
Patented Case
View Patent ↗
Granted: Jul 28, 1981
Filed: May 21, 1979
Inventors
John R. Allen
Louis-Georges Desrochers
Alain Loyer
Assignee (at issue)
C-I-L, 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.