Granted Patent
Utility
US 4,226,239 · App. 05/873,852
Surgical ligating instrument and method
Inventors:
Todd Polk, Francis E. McGowan
Patented Case
View Patent ↗
Granted: Oct 7, 1980
Filed: Jan 31, 1978
Inventors
Todd Polk
Francis E. McGowan
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.