Granted Patent
Utility
US 5,626,563 · App. 08/371,011
Irrigation system with tubing cassette
Inventors:
Larry H. Dodge, Ulf B. Dunberger, Thomas D. Egan, Harpreet Kaur, Kenneth E. Merte
Patented Case
View Patent ↗
Granted: May 6, 1997
Filed: Jan 11, 1995
Inventors
Larry H. Dodge
Ulf B. Dunberger
Thomas D. Egan
Harpreet Kaur
Kenneth E. Merte
Assignee (at issue)
Minnesota Mining and Manufacturing Company
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.