Granted Patent
Utility
US 6,402,941 · App. 09/499,161
Apparatus for biological treatment of environmental contaminants and waste
Inventors:
John Lucido, Jon Shaffer
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Feb 7, 2000
Inventors
John Lucido
Jon Shaffer
Assignee (at issue)
Wastewater Biological Solutions, Corp
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.