I applied through college or university. The process took 3 months. I interviewed at 3M (Akron, OH) in Sep 2015
Interview
3M has on campus recruiting at my university every year, I submitted my resume and got on campus interview, three months later, I got an intern job offer followed by a telephone interview discussing my intern project
Interview questions [1]
Question 1
Tell me about you graduate school work, how do you think you work can contribute to 3M, When will you graduate, Is you advisor OK that you do intership?