Granted Patent
Utility
US 6,365,045 · App. 09/638,818
Apparatus for use in a sewage treatment plant
Inventor:
John C. Bache
Patented Case
View Patent ↗
Granted: Apr 2, 2002
Filed: Aug 14, 2000
Inventor
John C. Bache
Assignee (at issue)
Jones & Attwood Limited
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.