Granted Patent
Utility
US 5,499,859 · App. 08/237,855
Upholstery attachment device and upholstered article using same
Inventor:
Robert C. Angell
Patented Case
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Granted: Mar 19, 1996
Filed: May 4, 1994
Inventor
Robert C. Angell
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.