Granted Patent
Utility
US 5,562,186 · App. 08/409,184
Piston seal
Inventor:
Carl D. Osenbaugh
Patented Case
View Patent ↗
Granted: Oct 8, 1996
Filed: Mar 23, 1995
Inventor
Carl D. Osenbaugh
Assignee (at issue)
DANA LIMITED
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.