Granted Patent
Utility
US 5,407,584 · App. 08/123,231
Water clarification method
Inventor:
Paul C. Broussard, Sr.
Patented Case
View Patent ↗
Granted: Apr 18, 1995
Filed: Sep 20, 1993
Inventor
Paul C. Broussard, Sr.
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.