Granted Patent
Utility
US 4,240,532 · App. 05/944,459
Torsional isolator for torque converter lock-up mechanism
Inventor:
Alfred P. Blomquist
Patented Case
View Patent ↗
Granted: Dec 23, 1980
Filed: Sep 21, 1978
Inventor
Alfred P. Blomquist
Assignee (at issue)
Chrysler Group 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.