Granted Patent
Utility
US 5,522,600 · App. 08/407,811
Annular lubricant seal assembly with spring member
Inventor:
Brian N. Duckwall
Patented Case
View Patent ↗
Granted: Jun 4, 1996
Filed: Mar 21, 1995
Inventor
Brian N. Duckwall
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.