Granted Patent
Utility
US 5,393,125 · App. 08/069,289
Height adjustable chair arm assembly
Inventors:
Ron Watson, James M. Mancewicz
Patented Case
View Patent ↗
Granted: Feb 28, 1995
Filed: May 28, 1993
Inventors
Ron Watson
James M. Mancewicz
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.