Granted Patent
Utility
US 6,294,085 · App. 09/522,566
Sewage screening apparatus
Inventor:
John C. Bache
Patented Case
View Patent ↗
Granted: Sep 25, 2001
Filed: Mar 10, 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.