Granted Patent
Utility
US 4,879,435 · App. 07/230,035
Fitting for the underside of a cellular floor
Inventor:
Charles N. Domigan
Patented Case
View Patent ↗
Granted: Nov 7, 1989
Filed: Aug 9, 1988
Inventor
Charles N. Domigan
Assignee (at issue)
BUTLER MANUFACTURING COMPANY
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.