Granted Patent
Utility
US 5,777,890 · App. 08/585,337
Control of moisture addition to bulk solids
Inventors:
James D. Halley, Michael J. Mowbray, Rodger D. Kurtz
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Jan 11, 1996
Inventors
James D. Halley
Michael J. Mowbray
Rodger D. Kurtz
Assignee (at issue)
Betzdearborn, Inc.
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.