Granted Patent
Utility
US 6,126,563 · App. 09/324,262
Quick purge tensioner with internal piston spring
Inventor:
Roger T. Simpson
Patented Case
View Patent ↗
Granted: Oct 3, 2000
Filed: Jun 2, 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.