Granted Patent
Utility
US 5,585,593 · App. 08/225,850
Inert stemming materials
Inventors:
Fortunato Villamagna, Melvin A. McNicol, Curtis Link
Patented Case
View Patent ↗
Granted: Dec 17, 1996
Filed: Apr 11, 1994
Inventors
Fortunato Villamagna
Melvin A. McNicol
Curtis Link
Assignee (at issue)
ICI Explosives USA 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.