Granted Patent
Utility
US 6,766,530 · App. 10/405,514
Face mask, fitment, head harness, and protective hood for firefighter
Inventors:
William L. Grilliot, Mary I. Grilliot
Patented Case
View Patent ↗
Granted: Jul 27, 2004
Filed: Apr 2, 2003
Inventors
William L. Grilliot
Mary I. Grilliot
Assignee (at issue)
Morning Pride Manufacturing, L.L.C.
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.