Granted Patent
Utility
US 4,536,026 · App. 06/522,503
Folding chair
Inventor:
Howell N. Cornell
Patented Case
View Patent ↗
Granted: Aug 20, 1985
Filed: Aug 12, 1983
Inventor
Howell N. Cornell
Assignee (at issue)
Keller Industries, 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.