Granted Patent
Utility
US 5,336,050 · App. 08/058,976
Ventilator fan device
Inventors:
Joseph Guida, Hani M. Odeh
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: May 6, 1993
Inventors
Joseph Guida
Hani M. Odeh
Assignee (at issue)
Penn Ventilator Co., 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.