Granted Patent
Utility
US 4,880,107 · App. 07/080,753
Table top chain link with rib
Inventor:
Douglas O. Deal
Patented Case
View Patent ↗
Granted: Nov 14, 1989
Filed: Jul 31, 1987
Inventor
Douglas O. Deal
Assignee (at issue)
REXNORD GMBH
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.