Granted Patent
Utility
US 6,343,984 · App. 09/203,220
Laminar flow duct cooling system
Inventors:
Daryl J. Langdon, Robert Robbins
Patented Case
View Patent ↗
Granted: Feb 5, 2002
Filed: Nov 30, 1998
Inventors
Daryl J. Langdon
Robert Robbins
Assignee (at issue)
Network Appliance, 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.