Granted Patent
Utility
US 6,557,865 · App. 09/169,074
Highback with adjustable stiffness
Inventors:
Stefan Reuss, Brian West, David J. Dodge, Ryan Coulter, Christopher M. Doyle
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Oct 9, 1998
Inventors
Stefan Reuss
Brian West
David J. Dodge
Ryan Coulter
Christopher M. Doyle
Assignee (at issue)
BURTON 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.