Granted Patent
Utility
US 5,051,142 · App. 07/466,222
Emulsion explosive containing nitrostarch
Inventors:
John J. Mullay, Joseph A. Sohara, Dennis J. Schulz
Patented Case
View Patent ↗
Granted: Sep 24, 1991
Filed: Jan 17, 1990
Inventors
John J. Mullay
Joseph A. Sohara
Dennis J. Schulz
Assignee (at issue)
Atlas Powder Company
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.