Granted Patent
Utility
US 5,983,801 · App. 09/069,340
Separating smoke grenade
Inventor:
Michael Brunn
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Apr 29, 1998
Inventor
Michael Brunn
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.