Granted Patent
Utility
US 5,403,277 · App. 08/003,475
Irrigation system with tubing cassette
Inventors:
Larry H. Dodge, H. Aaron Christmann, Ulf B. Dunberger, Thomas D. Egan, James R. Watts
Patented Case
View Patent ↗
Granted: Apr 4, 1995
Filed: Jan 12, 1993
Inventors
Larry H. Dodge
H. Aaron Christmann
Ulf B. Dunberger
Thomas D. Egan
James R. Watts
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.