Granted Patent
Utility
US 5,724,965 · App. 08/470,982
Nasal mask
Inventors:
Patrick M. Handke, John R. Starr, Doris M. Wong
Patented Case
View Patent ↗
Granted: Mar 10, 1998
Filed: Jun 6, 1995
Inventors
Patrick M. Handke
John R. Starr
Doris M. Wong
Assignee (at issue)
Respironics, 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.