Granted Patent
Utility
US 6,308,330 · App. 09/719,655
Fire escape mask
Inventors:
David Hollander, Anthony Pisani
Patented Case
View Patent ↗
Granted: Oct 30, 2001
Filed: Apr 5, 2001
Inventors
David Hollander
Anthony Pisani
Assignee (at issue)
Fire Drill, LLC
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.