Granted Patent
Utility
US 5,272,088 · App. 08/052,286
Method and apparatus for detecting the presence of carbon dioxide in a sample
Inventor:
Romano Morlotti
Patented Case
View Patent ↗
Granted: Dec 21, 1993
Filed: Apr 26, 1993
Inventor
Romano Morlotti
Assignee (at issue)
Minnesota Mining and Manufacturing Company
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.