Granted Patent
Utility
US 6,546,936 · App. 10/190,183
Method and apparatus to treat conditions of the naso-pharyngeal area
Inventors:
Mark B. Knudson, Katherine S. Tweden, Timothy R. Conrad
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Jul 3, 2002
Inventors
Mark B. Knudson
Katherine S. Tweden
Timothy R. Conrad
Assignee (at issue)
Restore Medical Ltd.
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.