Granted Patent
Utility
US 4,373,588 · App. 06/200,628
Fire extinguishing apparatus
Inventors:
Kenneth T. White, Harold F. Roberts
Patented Case
View Patent ↗
Granted: Feb 15, 1983
Filed: Oct 27, 1980
Inventors
Kenneth T. White
Harold F. Roberts
Assignee (at issue)
Chemetron
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.