Granted Patent
Utility
US 5,373,851 · App. 08/047,495
Specialized peak flow meter
Inventors:
Herbert E. Reinhold, Jr., Martin D. Valentine, O. Napoleon Monroe
Patented Case
View Patent ↗
Granted: Dec 20, 1994
Filed: Apr 19, 1993
Inventors
Herbert E. Reinhold, Jr.
Martin D. Valentine
O. Napoleon Monroe
Assignees (at issue)
Brunswick Biomedical Corporation
The Johns Hopkins University
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.