Granted Patent
Utility
US 6,016,802 · App. 08/932,039
Breathing apparatus and facepiece therefor
Inventor:
Peter J. Jackson
Patented Case
View Patent ↗
Granted: Jan 25, 2000
Filed: Sep 17, 1997
Inventor
Peter J. Jackson
Assignee (at issue)
International Safety Instruments, 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.