Granted Patent
Utility
US 6,289,765 · App. 09/399,603
Roller follower shaft retention
Inventor:
Ralph Clayson
Patented Case
View Patent ↗
Granted: Sep 18, 2001
Filed: Sep 20, 1999
Inventor
Ralph Clayson
Assignee (at issue)
Delphi Technologies
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.