Granted Patent
Utility
US 6,033,302 · App. 08/965,982
Room pressure control apparatus having feedforward and feedback control and method
Inventors:
Osman Ahmed, John William Mitchell, Sanford A. Klein
Patented Case
View Patent ↗
Granted: Mar 7, 2000
Filed: Nov 7, 1997
Inventors
Osman Ahmed
John William Mitchell
Sanford A. Klein
Assignee (at issue)
SIEMENS BUILDING TECHNOLOGIES AG
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.