Granted Patent
Utility
US 5,709,290 · App. 08/603,519
Monotube damper valve
Inventors:
Edward Charles Ekert, James M. Pees
Patented Case
View Patent ↗
Granted: Jan 20, 1998
Filed: Feb 20, 1996
Inventors
Edward Charles Ekert
James M. Pees
Assignee (at issue)
General Motors 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.