Granted Patent
Utility
US 6,308,902 · App. 09/443,561
Drip irrigation hose with emitters having different discharge rates
Inventor:
Mark Huntley
Patented Case
View Patent ↗
Granted: Oct 30, 2001
Filed: Nov 19, 1999
Inventor
Mark Huntley
Assignee (at issue)
T-SYSTEMS INTERNATIONAL GMBH
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.