Granted Patent
Utility
US 4,673,161 · App. 06/847,335
Tube clamping device
Inventors:
Daniel P. Flynn, Alan B. Ranford
Patented Case
View Patent ↗
Granted: Jun 16, 1987
Filed: Apr 2, 1986
Inventors
Daniel P. Flynn
Alan B. Ranford
Assignee (at issue)
Sherwood Medical Company
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.