Inventor
BONKOWSKI RICHARD L
8 patents
⚠️ This page may combine multiple inventors who share the name “BONKOWSKI RICHARD L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JDS UNIPHASE CORP
4 patentsUS7029745B2Apr 18, 2006
Security articles having diffractive surfaces and color shifting backgrounds
JDS UNIPHASE CORP38 citations96
US7005178B2Feb 28, 2006
Security articles having diffractive surfaces and color shifting backgrounds
JDS UNIPHASE CORP38 citations96
US7224528B2May 29, 2007
Optically variable security devices
JDS UNIPHASE CORP53 citations92
US7754112B2Jul 13, 2010
Methods for forming security articles having diffractive surfaces and color shifting backgrounds
JDS UNIPHASE CORP0 citations52
FLEX PRODUCTS INC
3 patentsUS6761959B1Jul 13, 2004
Diffractive surfaces with color shifting backgrounds
FLEX PRODUCTS INC159 citations98
US6031457AFeb 29, 2000
Conductive security article and method of manufacture
FLEX PRODUCTS INC112 citations96
US6118377ASep 12, 2000
Conductive security article with detector apparatus
FLEX PRODUCTS INC19 citations91