Granted Patent
Utility
US 5,884,569 · App. 08/823,223
Method and apparatus for containing and suppressing explosive detonations
Inventor:
John L. Donovan
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: Mar 24, 1997
Inventor
John L. Donovan
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.