Granted Patent
Utility
US 6,706,728 · App. 10/238,662
Systems and methods for treating a mucosal surface
Inventors:
John C. Hedenstrom, Michael J. Jozwiakowski, Mark Martinez, Kenneth R. Phares, Kenneth Trofatter
Patented Case
View Patent ↗
Granted: Mar 16, 2004
Filed: Sep 10, 2002
Inventors
John C. Hedenstrom
Michael J. Jozwiakowski
Mark Martinez
Kenneth R. Phares
Kenneth Trofatter
Assignee (at issue)
3M INNOVATIVE PROPERTIES COMPANY
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.