Granted Patent
Utility
US 6,244,981 · App. 09/379,489
Hydraulic tensioner with pawl-style external rack
Inventor:
Roger T. Simpson
Patented Case
View Patent ↗
Granted: Jun 12, 2001
Filed: Aug 23, 1999
Inventor
Roger T. Simpson
Assignee (at issue)
BorgWarner 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.