Granted Patent
Utility
US 6,192,922 · App. 09/323,591
Airflow control valve for a clean room
Inventors:
Bruce MacGibbon, Mark C. Wolochuk, Lee I. Wolochuk, Christopher P. Sirovy, James F. LeBaron, Jeffrey W. Yarroll
Patented Case
View Patent ↗
Granted: Feb 27, 2001
Filed: Jun 1, 1999
Inventors
Bruce MacGibbon
Mark C. Wolochuk
Lee I. Wolochuk
Christopher P. Sirovy
James F. LeBaron
Jeffrey W. Yarroll
Assignee (at issue)
Synetics Solutions, 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.