Granted Patent
Utility
US 5,017,251 · App. 07/457,085
Shock-resistant, low density emulsion explosive
Inventors:
Lawrence D. Lawrence, Walter B. Sudweeks
Patented Case
View Patent ↗
Granted: May 21, 1991
Filed: Dec 26, 1989
Inventors
Lawrence D. Lawrence
Walter B. Sudweeks
Assignee (at issue)
Ireco, LLC
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.