Granted Patent
Utility
US 5,322,503 · App. 07/779,108
Endoscopic surgical instrument
Inventor:
Ashvin Desai
Patented Case
View Patent ↗
Granted: Jun 21, 1994
Filed: Oct 18, 1991
Inventor
Ashvin Desai
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.