Granted Patent
Utility
US 5,281,238 · App. 08/025,912
Endoscopic ligation instrument
Inventors:
Albert K. Chin, Frank T. Watkins, III
Patented Case
View Patent ↗
Granted: Jan 25, 1994
Filed: Mar 3, 1993
Inventors
Albert K. Chin
Frank T. Watkins, III
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.