Granted Patent
Utility
US 6,419,398 · App. 09/126,290
Double wall bearing cup
Inventors:
Richard F. Murphy, Michael D. Myers, William Gordon
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: Jul 30, 1998
Inventors
Richard F. Murphy
Michael D. Myers
William Gordon
Assignee (at issue)
The Torrington 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.