Granted Patent
Utility
US 5,388,843 · App. 08/225,349
Fluid film seal
Inventor:
Josef Sedy
Patented Case
View Patent ↗
Granted: Feb 14, 1995
Filed: Apr 8, 1994
Inventor
Josef Sedy
Assignee (at issue)
Durametallic Corporation
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.