Granted Patent
Utility
US 4,936,932 · App. 07/430,327
Aromatic hydrocarbon-based emulsion explosive composition
Inventor:
Anh D. Nguyen
Patented Case
View Patent ↗
Granted: Jun 26, 1990
Filed: Nov 2, 1989
Inventor
Anh D. Nguyen
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.