Granted Patent
Utility
US 4,713,195 · App. 06/824,230
Scale inhibitor
Inventor:
Burnett M. Schneider
Patented Case
View Patent ↗
Granted: Dec 15, 1987
Filed: Jan 30, 1986
Inventor
Burnett M. Schneider
Assignee (at issue)
Aqua-Chem, Inc.
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.