Chris Piepenburg said:

Nope!!  Invented by Hugh Halligan of the FDNY.

http://www.nytimes.com/2005/06/05/nyregion/thecity/05fyi.html?ref=r...

The last one I saw was when I was 19 on an old 1987 Seagrave open cab ladder truck my volly house ran. I do not think they kept it on the new one when it went in service, but that was 10 years ago almost so I am not 100% sure

http://www.allhandsfire.com/KELLY-TOOL_3

Still in use...NYPD.  Not sure of any departments that use exclusively.