Granted Patent
Utility
US 6,470,842 · App. 09/975,610
Lever-type cam follower
Inventor:
Walter Speil
Patented Case
View Patent ↗
Granted: Oct 29, 2002
Filed: Oct 11, 2001
Inventor
Walter Speil
Assignee (at issue)
INA Wälzlager Schaeffler oHG
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.