Granted Patent
Utility
US 6,623,969 · App. 09/613,082
Process for testing catalysts using mass spectroscopy
Inventor:
Richard Willson
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: Jul 10, 2000
Inventor
Richard Willson
Assignee (at issue)
UNIVERSITY OF HOUSTON
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.