Granted Patent
Utility
US 5,687,973 · App. 08/669,077
Dust seal for pinion bearing housing
Inventor:
Malcolm F. Ruppert, Jr.
Patented Case
View Patent ↗
Granted: Nov 18, 1997
Filed: Jun 24, 1996
Inventor
Malcolm F. Ruppert, Jr.
Assignee (at issue)
Rockwell Heavy Vehicle Systems, Inc.
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.