Granted Patent
Utility
US 5,670,741 · App. 08/201,341
Method of preparing a cast solid explosive product
Inventors:
Donald M. Stromquist, Boyd J. Wathen
Patented Case
View Patent ↗
Granted: Sep 23, 1997
Filed: Feb 22, 1994
Inventors
Donald M. Stromquist
Boyd J. Wathen
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.