Granted Patent
Utility
US 4,324,294 · App. 06/141,777
Chemical injection control system for fire fighting
Inventors:
John E. McLoughlin, Neocles G. Athanasiades, Yehuda Rotblum
Patented Case
View Patent ↗
Granted: Apr 13, 1982
Filed: Apr 21, 1980
Inventors
John E. McLoughlin
Neocles G. Athanasiades
Yehuda Rotblum
Assignee (at issue)
John McLoughlin
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.