Granted Patent
Utility
US 5,154,255 · App. 07/738,879
Ladder shoe and method of use
Inventors:
Stanley A. Kiska, Richard P. Sulecki
Patented Case
View Patent ↗
Granted: Oct 13, 1992
Filed: Aug 1, 1991
Inventors
Stanley A. Kiska
Richard P. Sulecki
Assignee (at issue)
R. D. Werner Co., 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.