Granted Patent
Utility
US 6,749,746 · App. 10/054,927
Catch basin trap with filter
Inventor:
John Mokrzycki
Patented Case
View Patent ↗
Granted: Jun 15, 2004
Filed: Jan 25, 2002
Inventor
John Mokrzycki
Assignee (at issue)
Munro Concrete Products Ltd.
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.