Granted Patent
Utility
US 5,453,207 · App. 08/146,590
Biocide treatment system and method
Inventors:
Gregory D. Simpson, Garry D. Laxton, Harold D. McCullough, Jay T. Miller
Patented Case
View Patent ↗
Granted: Sep 26, 1995
Filed: Nov 1, 1993
Inventors
Gregory D. Simpson
Garry D. Laxton
Harold D. McCullough
Jay T. Miller
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.