Granted Patent
Utility
US 6,491,254 · App. 09/857,220
Environment control system for aircraft having interior condensation problem reduction, cabin air quality improvement, fire suppression and fire venting functions
Inventors:
Douglas Stuart Walkinshaw, Gintautas P. Mitalas, Campbell S. L. McNeil, Keith F. Preston
Patented Case
View Patent ↗
Granted: Dec 10, 2002
Filed: Jun 20, 2001
Inventors
Douglas Stuart Walkinshaw
Gintautas P. Mitalas
Campbell S. L. McNeil
Keith F. Preston
Assignee (at issue)
INDOOR AIR TECHNOLOGIES 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.