Granted Patent
Utility
US 5,217,708 · App. 07/831,593
Capsicum lachrymator
Inventor:
Barry D. Pinkney
Patented Case
View Patent ↗
Granted: Jun 8, 1993
Filed: Feb 5, 1992
Inventor
Barry D. Pinkney
Assignee (at issue)
Defense Technology Corporation of America
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.