Granted Patent
Utility
US 5,562,121 · App. 08/417,671
Gas delivery system with universal outlet
Inventors:
Steven M. Hodges, Dennis A. Dohogne
Patented Case
View Patent ↗
Granted: Oct 8, 1996
Filed: Apr 6, 1995
Inventors
Steven M. Hodges
Dennis A. Dohogne
Assignee (at issue)
Allied Healthcare Products, 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.