Granted Patent
Utility
US 5,299,982 · App. 07/745,552
Slip joint seal for a driveshaft
Inventor:
Robert A. Burton
Patented Case
View Patent ↗
Granted: Apr 5, 1994
Filed: Aug 15, 1991
Inventor
Robert A. Burton
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.