Granted Patent
Utility
US 6,698,731 · App. 10/128,902
High compliance multiple chamber piston for fluid damped elastomer devices
Inventor:
Jay W. Thornhill
Patented Case
View Patent ↗
Granted: Mar 2, 2004
Filed: Apr 24, 2002
Inventor
Jay W. Thornhill
Assignee (at issue)
The Pullman Company 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.