Granted Patent
Utility
US 6,092,528 · App. 09/036,091
Method to treat esophageal sphincters
Inventor:
Stuart D. Edwards
Patented Case
View Patent ↗
Granted: Jul 25, 2000
Filed: Mar 6, 1998
Inventor
Stuart D. Edwards
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.