Granted Patent
Utility
US 6,561,939 · App. 09/985,800
Gear module for clutch actuator in differential assembly
Inventor:
Brian V. Knapke
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Nov 6, 2001
Inventor
Brian V. Knapke
Assignee (at issue)
Torque-Traction Technologies LLC
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.