Granted Patent
Utility
US 6,467,477 · App. 09/525,786
Breath-based control of a therapeutic treatment
Inventors:
John Frank, Peter D. Hill
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Mar 15, 2000
Inventors
John Frank
Peter D. Hill
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.