Inventor
HANSON GARY B
US5 patents
Patents
5 patentsUS6797366B2Sep 28, 2004
Color shifting film articles
3M INNOVATIVE PROPERTIES CO86 citations98
US6531230B1Mar 11, 2003
Color shifting film
3M INNOVATIVE PROPERTIES CO552 citations98
US6024455AFeb 15, 2000
Reflective article with concealed retroreflective pattern
3M INNOVATIVE PROPERTIES CO234 citations98
US6082876AJul 4, 2000
Hand-holdable toy light tube with color changing film
3M INNOVATIVE PROPERTIES CO80 citations96
US6641280B2Nov 4, 2003
Hand-holdable toy light tube
3M INNOVATIVE PROPERTIES CO29 citations92