Granted Patent
Utility
US 5,401,036 · App. 08/035,072
Brush seal device having a recessed back plate
Inventor:
Prithwish Basu
Patented Case
View Patent ↗
Granted: Mar 28, 1995
Filed: Mar 22, 1993
Inventor
Prithwish Basu
Assignee (at issue)
EG&G Sealol, 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.