Granted Patent
Utility
US 4,967,741 · App. 07/282,080
Retaining device
Inventor:
Orlando D. Cambio, Jr.
Patented Case
View Patent ↗
Granted: Nov 6, 1990
Filed: Dec 9, 1988
Inventor
Orlando D. Cambio, Jr.
Assignee (at issue)
Hudson Respiratory Care, 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.