Granted Patent
Utility
US 6,073,630 · App. 08/963,646
Exhalation valve assembly
Inventor:
Carmeli Adahan
Patented Case
View Patent ↗
Granted: Jun 13, 2000
Filed: Nov 3, 1997
Inventor
Carmeli Adahan
Assignee (at issue)
Flight Medical Ltd.
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.