Granted Patent
Utility
US 4,938,530 · App. 07/234,614
Wire frame chair
Inventors:
Carlon D. Snyder, Robert Scheper
Patented Case
View Patent ↗
Granted: Jul 3, 1990
Filed: Aug 22, 1988
Inventors
Carlon D. Snyder
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.