Granted Patent
Utility
US 5,736,035 · App. 08/699,470
Outlet filter for waste water treatment tank
Inventor:
Harry L. Nurse, Jr.
Patented Case
View Patent ↗
Granted: Apr 7, 1998
Filed: Aug 19, 1996
Inventor
Harry L. Nurse, Jr.
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.