Granted Patent
Utility
US 6,484,563 · App. 09/893,097
Method at detection of presence of hydrogen gas and measurement of content of hydrogen gas
Inventors:
Fredrik Enquist, Peter Hebo
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Jun 27, 2001
Inventors
Fredrik Enquist
Peter Hebo
Assignee (at issue)
Sensistor Technologies AB
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.