Granted Patent
Utility
US 6,739,338 · App. 10/137,259
Neo-natal oxygen delivery system
Inventors:
Benito L. Tanhehco, Shelia D. Ware
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: May 2, 2002
Inventors
Benito L. Tanhehco
Shelia D. Ware
Assignee (at issue)
DeRoyal Industries, 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.