Granted Patent
Utility
US 5,765,644 · App. 08/706,511
Dual tank control system and method for use in foam introduction fire fighting systems
Inventors:
Lawrence C. Arvidson, Robert S. Horeck
Patented Case
View Patent ↗
Granted: Jun 16, 1998
Filed: Sep 6, 1996
Inventors
Lawrence C. Arvidson
Robert S. Horeck
Assignee (at issue)
Hypro, LLC
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.