Inventor

AMUNDSON JEFFREY D

US3 patents

Patents

3 patents

US6949212B2Sep 27, 2005

Methods and devices for stretching polymer films

3M INNOVATIVE PROPERTIES CO74 citations96

US7316558B2Jan 8, 2008

Devices for stretching polymer films

3M INNOVATIVE PROPERTIES CO47 citations95

US7104776B2Sep 12, 2006

Methods and devices for stretching polymer films

3M INNOVATIVE PROPERTIES CO38 citations95