Granted Patent
Utility
US 4,500,480 · App. 06/549,075
Pediatric cartridge humidifier
Inventor:
Orlando D. Cambio, Jr.
Patented Case
View Patent ↗
Granted: Feb 19, 1985
Filed: Nov 7, 1983
Inventor
Orlando D. Cambio, Jr.
Assignee (at issue)
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.