Granted Patent
Utility
US 4,230,116 · App. 05/947,467
Tubal ligation instrument with anesthesia means
Inventor:
Trevor Watson
Patented Case
View Patent ↗
Granted: Oct 28, 1980
Filed: Oct 2, 1978
Inventor
Trevor Watson
Assignee (at issue)
Kli, Inc.
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.