Granted Patent
Utility
US 5,567,911 · App. 08/356,678
Particulate explosive, manufacturing method and use
Inventor:
Gunnar Ekman
Patented Case
View Patent ↗
Granted: Oct 22, 1996
Filed: Dec 15, 1994
Inventor
Gunnar Ekman
Assignee (at issue)
Nitro Nobel AB
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.