Granted Patent
Utility
US 6,609,259 · App. 09/932,477
Drain assembly and sink
Inventor:
John W. Cantrell
Patented Case
View Patent ↗
Granted: Aug 26, 2003
Filed: Aug 17, 2001
Inventor
John W. Cantrell
Assignee (at issue)
METCRAFT, 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.