Granted Patent
Utility
US 5,995,368 · App. 09/175,620
Air flow distribution device for shelf-based circuit cards
Inventors:
Chi Keung Lee, William David Jeakins
Patented Case
View Patent ↗
Granted: Nov 30, 1999
Filed: Oct 20, 1998
Inventors
Chi Keung Lee
William David Jeakins
Assignee (at issue)
Nortel Networks Limited
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.