PutnamEco Posted September 10, 2012 Report Share Posted September 10, 2012 The father of double insulated tools. Did you know that the Miller Falls No. 1144 Safe-T-Drill was the first double insulated power tool to be marketed in Here is a nice little biography about this man and his contribution to modern power toolsLeonard C. Pratt @ oldtoolheaven.com Quote Link to comment Share on other sites More sharing options...
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