Granted Patent
Utility
US 5,603,787 · App. 08/470,920
Drain back container assembly
Inventor:
Grahame W. Reid
Patented Case
View Patent ↗
Granted: Feb 18, 1997
Filed: Jun 6, 1995
Inventor
Grahame W. Reid
Assignee (at issue)
VENOVATION 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.