Granted Patent
Utility
US 4,891,186 · App. 07/193,196
Reactor analysis system
Inventors:
Raymond P. Roberge, Arthur W. Francis, Jr., Thomas G. Wolfe
Patented Case
View Patent ↗
Granted: Jan 2, 1990
Filed: May 9, 1988
Inventors
Raymond P. Roberge
Arthur W. Francis, Jr.
Thomas G. Wolfe
Assignee (at issue)
Union Carbide 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.