Granted Patent
Utility
US 4,356,113 · App. 06/207,142
Substrates with calibrated pore size and catalysts employing the same
Inventors:
John Lim, Michael Brady, Kirk Novak
Patented Case
View Patent ↗
Granted: Oct 26, 1982
Filed: Nov 17, 1980
Inventors
John Lim
Michael Brady
Kirk Novak
Assignee (at issue)
Filtrol Corporation
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.