Granted Patent
Utility
US 6,532,550 · App. 09/501,804
Process protection system
Inventors:
Albert W. Crew, William D. Ghrist, III, Carl A. Vitalbo, Glenn E. Lang, Thomas P. Hayes
Patented Case
View Patent ↗
Granted: Mar 11, 2003
Filed: Feb 10, 2000
Inventors
Albert W. Crew
William D. Ghrist, III
Carl A. Vitalbo
Glenn E. Lang
Thomas P. Hayes
Assignee (at issue)
Westinghouse Electric Company LLC
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.