Granted Patent
Utility
US 6,478,957 · App. 09/710,076
Filtering apparatus for a wastewater treatment tank
Inventors:
Theophilus B. Terry, III, Harry L. Nurse, Jr.
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: Nov 9, 2000
Inventors
Theophilus B. Terry, III
Harry L. Nurse, Jr.
Assignee (at issue)
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.