Granted Patent
Utility
US 5,826,577 · App. 08/593,564
Breath gas analysis module
Inventors:
William Perroz, Jr., William P. Spohn
Patented Case
View Patent ↗
Granted: Oct 27, 1998
Filed: Jan 30, 1996
Inventors
William Perroz, Jr.
William P. Spohn
Assignee (at issue)
BACHARACH, 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.