Granted Patent
Utility
US 5,871,258 · App. 08/957,561
Chair with novel seat construction
Inventors:
Robert J. Battey, Glenn A. Knoblock, Larry DeKraker, Kurt R. Heidmann, Michelle R. Johnson, Robert Scheper
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Oct 24, 1997
Inventors
Robert J. Battey
Glenn A. Knoblock
Larry DeKraker
Kurt R. Heidmann
Michelle R. Johnson
Robert Scheper
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.