Inventor

SCHAFFER ROBERT C

US3 patents

Patents

3 patents

US7288177B2Oct 30, 2007

Selective shield/material flow mechanism

IBM12 citations79

US6746578B2Jun 8, 2004

Selective shield/material flow mechanism

IBM4 citations58

US7425256B2Sep 16, 2008

Selective shield/material flow mechanism

IBM0 citations48