Granted Patent
Utility
US 4,284,590 · App. 06/188,102
Multiple aspirator for nebulizer
Inventors:
Roy DeBoer, Jr., Kenneth G. Miller
Patented Case
View Patent ↗
Granted: Aug 18, 1981
Filed: Sep 17, 1980
Inventors
Roy DeBoer, Jr.
Kenneth G. Miller
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.