Granted Patent
Utility
US 6,077,435 · App. 08/913,901
Filtration monitoring and control system
Inventors:
Thomas William Beck, Humphrey John Jardine Drummond, Ian Andrew Maxwell, Warren Thomas Johnson, Brett Kensett-Smith
Patented Case
View Patent ↗
Granted: Jun 20, 2000
Filed: Jan 12, 1998
Inventors
Thomas William Beck
Humphrey John Jardine Drummond
Ian Andrew Maxwell
Warren Thomas Johnson
Brett Kensett-Smith
Assignee (at issue)
USF Filtration and Separations Group, 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.