Issued Patents All Time
Showing 51–75 of 93 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9482800 | Durable optical interference pigment with a bimetal core | Charles T. Markantes, Cornelis Jan Delst, David de la Fuente, Paul G. Coombs | 2016-11-01 |
| 9257059 | Dynamic appearance-changing optical devices (DACOD) printed in a shaped magnetic field including printable fresnel structures | Paul G. Coombs, Charles T. Markantes, Alberto Argoitia, Roger W. Phillips | 2016-02-09 |
| RE45762 | Printed magnetic ink overt security image | Cornelis Jan Delst, Paul G. Coombs, Charles T. Markantes, Alberto Argoitia | 2015-10-20 |
| 9102195 | Article with curved patterns formed of aligned pigment flakes | John Hynes, Laurence Holden, Paul G. Coombs | 2015-08-11 |
| 9027479 | Method and apparatus for orienting magnetic flakes | Paul G. Coombs, Charles T. Markantes | 2015-05-12 |
| 8726806 | Apparatus for orienting magnetic flakes | Jay M. Holman, Paul G. Coombs, Charles T. Markantes, Roger W. Phillips | 2014-05-20 |
| 8633954 | System and method for forming an image on a substrate | Curtis R. Hruska, Neil Teitelbaum | 2014-01-21 |
| 8511712 | Mixture of magnetically orientable color shifting flakes and non-magnetically orientable color shifting flakes exhibiting a common color | Michael Ray Nofi, Charles T. Markantes, Paul G. Coombs | 2013-08-20 |
| 8343615 | Dynamic appearance-changing optical devices (DACOD) printed in a shaped magnetic field including printable fresnel structures | Paul G. Coombs, Charles T. Markantes, Alberto Argoitia, Roger W. Phillips | 2013-01-01 |
| 8323542 | Substrate and method of manufacturing polygon flakes | Alberto Argoitia, Cornelis Jan Delst | 2012-12-04 |
| 8287989 | Security image coated with a single coating having visually distinct regions | Roger W. Phillips, Charles T. Markantes, Paul G. Coombs | 2012-10-16 |
| 8276511 | Apparatus for orienting magnetic flakes | Jay M. Holman, Paul G. Coombs, Charles T. Markantes, Roger W. Phillips | 2012-10-02 |
| 8211509 | Alignment of paste-like ink having magnetic particles therein, and the printing of optical effects | Dishuan Chu, Thomas Mayer, Charles T. Markantes, Paul G. Coombs | 2012-07-03 |
| 8137762 | Two-axial alignment of magnetic platelets | Paul G. Coombs, Charles T. Markantes, Wilfred C. Kittler, Jr., Dave Williams, John D. Sonderman +1 more | 2012-03-20 |
| 8124217 | Structured surfaces that exhibit color by rotation | Roger W. Phillips, Matthew R. Witzman, Eric W. Kurman, Neil Teitelbaum | 2012-02-28 |
| 8105678 | Structured surfaces that exhibit color by rotation | Roger W. Phillips, Eric W. Kurman, Matthew R. Witzman, Neil Teitelbaum | 2012-01-31 |
| 8025952 | Printed magnetic ink overt security image | Cornelis Jan Delst, Paul G. Coombs, Charles T. Markantes, Alberto Argoitia | 2011-09-27 |
| 7934451 | Apparatus for orienting magnetic flakes | Jay M. Holman, Paul G. Coombs, Charles T. Markantes, Roger W. Phillips | 2011-05-03 |
| 7880943 | Patterned optical structures with enhanced security feature | Wilfred C. Kittler, Jr., Roger W. Phillips, Garth Zambory | 2011-02-01 |
| 7876481 | Patterned optical structures with enhanced security feature | Roger W. Phillips | 2011-01-25 |
| 7744964 | Vacuum roll coated security thin film interference products with overt and/or covert patterned layers | Roger W. Phillips, Keith Hollingsworth | 2010-06-29 |
| 7717038 | Magnetic plate for printing of optical effects | Jay M. Holman, Paul G. Coombs, Neil Teitelbaum, Charles T. Markantes | 2010-05-18 |
| 7674501 | Two-step method of coating an article for security printing by application of electric or magnetic field | Paul G. Coombs, Neil Teitelbaum, Charles T. Markantes, Alberto Argoitia | 2010-03-09 |
| 7667895 | Patterned structures with optically variable effects | Alberto Argoitia, Roger W. Phillips | 2010-02-23 |
| 7604855 | Kinematic images formed by orienting alignable flakes | Paul G. Coombs, Charles T. Markantes, Jay M. Holman, Neil Teitelbaum | 2009-10-20 |