Granted Patent
Utility
US 6,039,113 · App. 09/101,369
Heat exchange catalytic reactor
Inventor:
Bernard John Crewdson
Patented Case
View Patent ↗
Granted: Mar 21, 2000
Filed: Jul 9, 1998
Inventor
Bernard John Crewdson
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES LIMITED
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.