Granted Patent
Utility
US 5,721,670 · App. 08/575,375
Electronic equipment having air flow cooling passages
Inventors:
Paul Douglas Cochrane, Lee J. Racicot, M. MacKenzie
Patented Case
View Patent ↗
Granted: Feb 24, 1998
Filed: Dec 21, 1995
Inventors
Paul Douglas Cochrane
Lee J. Racicot
M. MacKenzie
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.