Inventor

HARTNAGLE ERIC G

US2 patents

Patents

2 patents

US11710879B2Jul 25, 2023

Method and apparatus for welding foils

GM GLOBAL TECH OPERATIONS LLC4 citations72

US9573221B2Feb 21, 2017

Elimination of tool adhesion in an ultrasonic welding process

GM GLOBAL TECH OPERATIONS LLC1 citations50