Granted Patent
Utility
US 5,474,647 · App. 08/153,236
Wafer flow architecture for production wafer processing
Inventors:
Sherman K. Poultney, Peter B. Mumola, Joseph P. Prusak, George J. Gardopee, Thomas J. McHugh
Patented Case
View Patent ↗
Granted: Dec 12, 1995
Filed: Nov 15, 1993
Inventors
Sherman K. Poultney
Peter B. Mumola
Joseph P. Prusak
George J. Gardopee
Thomas J. McHugh
Assignee (at issue)
Hughes Aircraft Company
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.