Granted Patent
Utility
US 4,702,721 · App. 06/841,122
Long travel damper with low lag dynamic spring retainers
Inventor:
Paul E. Lamarche
Patented Case
View Patent ↗
Granted: Oct 27, 1987
Filed: Mar 18, 1986
Inventor
Paul E. Lamarche
Assignee (at issue)
Borg-Warner Automotive, 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.