Granted Patent
Utility
US 6,463,956 · App. 09/162,830
Method of water distribution and apparatus therefor
Inventor:
Robert Walker
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: Sep 29, 1998
Inventor
Robert Walker
Assignee (at issue)
International Water-Guard Industries 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.