Granted Patent
Utility
US 4,314,728 · App. 06/145,439
Chair control
Inventor:
Frederick S. Faiks
Patented Case
View Patent ↗
Granted: Feb 9, 1982
Filed: May 1, 1980
Inventor
Frederick S. Faiks
Assignee (at issue)
Steelcase 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.