Granted Patent
Utility
US 6,702,033 · App. 09/937,868
Hybrid fire extinguisher
Inventors:
Robert M. Mitchell, Nicholas R. Arnot, George J. Callis
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: Nov 29, 2001
Inventors
Robert M. Mitchell
Nicholas R. Arnot
George J. Callis
Assignee (at issue)
AEROJET-GENERAL CORPORATION
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.