Granted Patent
Utility
US 5,481,059 · App. 08/319,753
Settling aids for solids in hydrocarbons
Inventors:
Gene F. Brock, Mark S. Binford, Paul R. Hart
Patented Case
View Patent ↗
Granted: Jan 2, 1996
Filed: Oct 7, 1994
Inventors
Gene F. Brock
Mark S. Binford
Paul R. Hart
Assignee (at issue)
Betz Laboratories, 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.