Granted Patent
Utility
US 6,199,726 · App. 09/309,990
Chemical irritant dispenser
Inventors:
Walter Wilcox Cardwell, III, Stephen Andrew Stickel
Patented Case
View Patent ↗
Granted: Mar 13, 2001
Filed: May 11, 1999
Inventors
Walter Wilcox Cardwell, III
Stephen Andrew Stickel
Assignee (at issue)
VERMILLION, INC.
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.