Inventor
HARELSTAD R ELLEN
US3 patents
Patents
3 patentsUS6533961B2Mar 18, 2003
Durable fluorescent organic pigments and methods of making
3M INNOVATIVE PROPERTIES CO80 citations96
US6869654B2Mar 22, 2005
Method of making printable forms comprising stickers and articles
3M INNOVATIVE PROPERTIES CO14 citations80
US6841236B2Jan 11, 2005
Articles containing thioxanthone dyes
3M INNOVATIVE PROPERTIES CO7 citations72