Granted Patent
Utility
US 5,226,883 · App. 07/860,911
Flashback ventilation cap
Inventors:
Georges Katsaros, Giancarlo Polese
Patented Case
View Patent ↗
Granted: Jul 13, 1993
Filed: Mar 31, 1992
Inventors
Georges Katsaros
Giancarlo Polese
Assignee (at issue)
Sherwood Medical Company
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.