Richard A. Steenblik

Image display and micro-optic security system

Gregory R. Jordan, Richard A. Steenblik, Mark J. Hurt, 2006 .

Imagines presentation system and micro-optic security

Gregory R. Jordan, Richard A. Steenblik, Mark J. Hurt, 2004 .

Unison micro-optic security film

Richard A. Steenblik, Mark J. Hurt, R. Steenblik, 2004, IS&T/SPIE Electronic Imaging.

Advantages of micro-optics over holograms for document authentication

Richard A. Steenblik, Mark J. Hurt, Michael E. Knotts, 2002, IS&T/SPIE Electronic Imaging.