Granted Patent
Utility
US 6,006,612 · App. 08/929,779
Waste water effluent test method and assembly
Inventors:
Harry L. Nurse, Jr., Lawrence E. Gravely
Patented Case
View Patent ↗
Granted: Dec 28, 1999
Filed: Sep 15, 1997
Inventors
Harry L. Nurse, Jr.
Lawrence E. Gravely
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.