Granted Patent
Utility
US 5,507,889 · App. 08/409,745
Precompression resistant emulsion explosive
Inventors:
John J. Mullay, Jane M. Farkas, Cathy J. McGinley
Patented Case
View Patent ↗
Granted: Apr 16, 1996
Filed: Mar 24, 1995
Inventors
John J. Mullay
Jane M. Farkas
Cathy J. McGinley
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.