Granted Patent
Utility
US 5,533,591 · App. 08/399,834
Ladder rail cap
Inventor:
Stanley A. Kiska
Patented Case
View Patent ↗
Granted: Jul 9, 1996
Filed: Mar 7, 1995
Inventor
Stanley A. Kiska
Assignee (at issue)
Werner Co.
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.