Granted Patent
Utility
US 4,451,244 · App. 06/445,610
Series vibration damper with non-symmetrical curve
Inventor:
Paul E. Lamarche
Patented Case
View Patent ↗
Granted: May 29, 1984
Filed: Nov 30, 1982
Inventor
Paul E. Lamarche
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.