Granted Patent
Utility
US 4,819,949 · App. 07/124,814
Shielded seal assembly
Inventor:
Dennis L. Otto
Patented Case
View Patent ↗
Granted: Apr 11, 1989
Filed: Nov 23, 1987
Inventor
Dennis L. Otto
Assignee (at issue)
THE TIMKEN 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.