| 10207529 |
Security element or document with a security feature including at least one dynamic-effect feature |
Johannes Georg Schaede |
2019-02-19 |
| 9844968 |
Systems and methods for creating optical effects on media |
— |
2017-12-19 |
| 9658373 |
Anti-copy optical materials and methods |
— |
2017-05-23 |
| 8840983 |
Systems and methods for creating optical effects on media |
— |
2014-09-23 |
| 8110281 |
Systems and methods for creating optical effects on media |
— |
2012-02-07 |
| 7576920 |
Transformable, applicable material and methods for using same for optical effects |
Mark Willner, Robert Rewick |
2009-08-18 |
| 7376165 |
Laser diode alignment and packaging system for integrated optical and display subassemblies |
Juergen Bruegl |
2008-05-20 |
| 7233446 |
Transformable, applicable material and methods for using same for optical effects |
Mark Willner, Robert Rewick |
2007-06-19 |
| 5956172 |
System and method using layered structure for three-dimensional display of information based on two-photon upconversion |
— |
1999-09-21 |
| 5943160 |
System and method for co-doped three-dimensional display using two-photon upconversion |
— |
1999-08-24 |
| 5914807 |
Method and system for three-dimensional display of information based on two-photon upconversion |
— |
1999-06-22 |
| 5764403 |
Panel display using two-frequency upconversion fluorescence |
— |
1998-06-09 |
| 5684621 |
Method and system for three-dimensional display of information based on two-photon upconversion |
— |
1997-11-04 |
| 5631194 |
Heavy metal fluoride glass containing indium trifluoride |
Annapoorna Akella, Lubos J. B. Vacha |
1997-05-20 |
| 5243665 |
Component surface distortion evaluation apparatus and method |
George A. Maney, Christian Fortunel, Donald J. Christian, Melvin H. Lill |
1993-09-07 |
| 5054918 |
Light scanning system for measurement of orientation and physical features of a workpiece |
Steven W. Rogers, Raymond Titsworth, Donald J. Christian, Michael L. Baird |
1991-10-08 |
| 4870485 |
Three dimensional image generating apparatus having a phosphor chamber |
Bernardo Torres |
1989-09-26 |
| 4684246 |
Soft contact lens analyzer |
Ronald W. Downing |
1987-08-04 |