Granted Patent
Utility
US 5,997,004 · App. 08/735,328
Hybrid floating brush seal
Inventors:
Minel J. Braun, Fred K. Choy
Patented Case
View Patent ↗
Granted: Dec 7, 1999
Filed: Oct 22, 1996
Inventors
Minel J. Braun
Fred K. Choy
Assignee (at issue)
Flowserve Management 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.