Granted Patent
Utility
US 5,306,249 · App. 07/868,961
Method of treating body passage walls
Inventor:
T. Anthony Don Michel
Patented Case
View Patent ↗
Granted: Apr 26, 1994
Filed: Apr 19, 1992
Inventor
T. Anthony Don Michel
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.