Inventor
COBB SANFORD
US8 patents
⚠️ This page may combine multiple inventors who share the name “COBB SANFORD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
3M INNOVATIVE PROPERTIES CO
6 patentsUS6845212B2Jan 18, 2005
Optical element having programmed optical structures
3M INNOVATIVE PROPERTIES CO155 citations99
US6707611B2Mar 16, 2004
Optical film with variable angle prisms
3M INNOVATIVE PROPERTIES CO116 citations99
US6356391B1Mar 12, 2002
Optical film with variable angle prisms
3M INNOVATIVE PROPERTIES CO185 citations99
US7046905B1May 16, 2006
Blacklight with structured surfaces
3M INNOVATIVE PROPERTIES CO132 citations98
US6447135B1Sep 10, 2002
Lightguide having a directly secured reflector and method of making the same
3M INNOVATIVE PROPERTIES CO64 citations96
US7221847B2May 22, 2007
Optical elements having programmed optical structures
3M INNOVATIVE PROPERTIES CO34 citations92