Granted Patent
Utility
US 4,328,056 · App. 06/167,073
Method of making a cuffed tube
Inventor:
Gregory L. Snooks
Patented Case
View Patent ↗
Granted: May 4, 1982
Filed: Jul 9, 1980
Inventor
Gregory L. Snooks
Assignee (at issue)
Sherwood Medical Industries 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.