Granted Patent
Utility
US 4,397,772 · App. 06/215,256
Catalyst supports and fluid treatment devices
Inventors:
Michael Lesney Noakes, James A. Cairns
Patented Case
View Patent ↗
Granted: Aug 9, 1983
Filed: Dec 11, 1980
Inventors
Michael Lesney Noakes
James A. Cairns
Assignee (at issue)
United Kingdom Atomic Energy Authority
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.