Granted Patent
Utility
US 6,044,846 · App. 09/032,367
Method to treat esophageal sphincters
Inventor:
Stuart D. Edwards
Patented Case
View Patent ↗
Granted: Apr 4, 2000
Filed: Feb 27, 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.