Granted Patent
Utility
US 5,464,982 · App. 08/215,481
Respiratory gas analyzer
Inventors:
Steven J. Drucker, Alexey Goder, Davood Khalili, Kevin Gregg Williams, Ken Christensen, Emery Major
Patented Case
View Patent ↗
Granted: Nov 7, 1995
Filed: Mar 21, 1994
Inventors
Steven J. Drucker
Alexey Goder
Davood Khalili
Kevin Gregg Williams
Ken Christensen
Emery Major
Assignee (at issue)
Andros
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.