Granted Patent
Utility
US 5,490,887 · App. 08/171,843
Low density watergel explosive composition
Inventors:
Don H. Cranney, Lawrence D. Lawrence, Michael M. Jackson
Patented Case
View Patent ↗
Granted: Feb 13, 1996
Filed: Dec 22, 1993
Inventors
Don H. Cranney
Lawrence D. Lawrence
Michael M. Jackson
Assignee (at issue)
Dyno Nobel 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.