Granted Patent
Utility
US 5,031,921 · App. 07/430,118
Gland pressure seal plate
Inventor:
James W. Dorow
Patented Case
View Patent ↗
Granted: Jul 16, 1991
Filed: Nov 1, 1989
Inventor
James W. Dorow
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.