Granted Patent
Utility
US 6,793,286 · App. 10/253,777
Chair adjustment mechanism
Inventor:
Ralph Burgin
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Sep 24, 2002
Inventor
Ralph Burgin
Assignee (at issue)
HON Technology 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.