Granted Patent
Utility
US 6,131,869 · App. 09/128,003
Ladder deflecting device
Inventors:
James H. Durham, Charles W. Cramp
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Aug 3, 1998
Inventors
James H. Durham
Charles W. Cramp
Assignee (at issue)
Hubbell Incorporated
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.