Inventor
HAFNER THOMAS J
US3 patents
Patents
3 patentsUS6816251B2Nov 9, 2004
Method and apparatus for detecting defects along the edge of electronic media
DAITRON INC19 citations89
US6545752B1Apr 8, 2003
Method and apparatus for detecting defects along the edge of electronic media
DAITRON INC18 citations89
US6566673B1May 20, 2003
Method and apparatus for detecting defects along the edge of electronic media
DAITRON INC8 citations68