David Brooks: Can one man have a breakthrough in something as basic as screw threads?




Dale Van Cor has a brilliant-sounding idea, a whole new approach to creating the threads on screws or nuts and bolts, that he has spent years perfecting.
CLICK TO VIEW THE SOURCE MATERIAL


Post a comment


You must sign in before you can post comments. If you are experiencing issues with your account please e-mail abuse@unionleader.com.