Granted Patent
Utility
US 6,770,194 · App. 10/340,224
Water overflow device and water return device
Inventor:
Roger W. McGrath
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Jan 10, 2003
Inventor
Roger W. McGrath
Assignee (at issue)
Aquaria, Inc.
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.