Granted Patent
Utility
US 4,447,238 · App. 06/226,493
Medical tubing holder
Inventor:
John D. Eldridge, Jr.
Patented Case
View Patent ↗
Granted: May 8, 1984
Filed: Jan 19, 1981
Inventor
John D. Eldridge, Jr.
Assignee (at issue)
Instranetics, 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.