Granted Patent
Utility
US 4,292,275 · App. 06/152,565
Modular chlorine dioxide generation systems
Inventor:
James H. Forster
Patented Case
View Patent ↗
Granted: Sep 29, 1981
Filed: May 22, 1980
Inventor
James H. Forster
Assignee (at issue)
ERCO Industries Limited
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.