Issued Patents All Time
Showing 51–72 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7738173 | Optical safety element and system for visualising hidden information | Wayne Robert Tompkin, Rene Staub | 2010-06-15 |
| 7719733 | Diffractive security element comprising a half-tone picture | Wayne Robert Tompkin | 2010-05-18 |
| 7680274 | Security element comprising micro- and macrostructures | Wayne Robert Tompkin, Rene Staub | 2010-03-16 |
| 7618564 | Microstructure and method for producing microstructures | Wayne Robert Tompkin | 2009-11-17 |
| 7580043 | Method for adding detail to a texture map | Guenter Knittel | 2009-08-25 |
| 7551335 | Optically variable element and the use thereof | Wayne Robert Tompkin | 2009-06-23 |
| 7265904 | Optical security element | Wayne Robert Tompkin, Rene Staub | 2007-09-04 |
| 7227690 | Layer arrangement provided with a structure producing a diffractive optical effect and a lens-type effect | Wayne Robert Tompkin | 2007-06-05 |
| 7215450 | Optically variable element | Wayne Robert Tompkin, Rene Staub | 2007-05-08 |
| 7144617 | Diffractive security element | Wayne Robert Tompkin | 2006-12-05 |
| 7145723 | Security element | Wayne Robert Tompkin, Rene Staub | 2006-12-05 |
| 7102823 | Diffractive security element having an integrated optical waveguide | Wayne Robert Tompkin, Rene Staub | 2006-09-05 |
| 7002746 | Security element comprising macrostructures | Wayne Robert Tompkin, Rene Staub | 2006-02-21 |
| 6984837 | Optical telemeter target illumination apparatus with edge emitter light source | Bernhard Gächter, Laurent Stauffer, Urs Vokinger | 2006-01-10 |
| 6975438 | Optically variable surface pattern | Wayne Robert Tompkin, Rene Staub | 2005-12-13 |
| 6974218 | Retroflector | Wayne Robert Tompkin | 2005-12-13 |
| 6937250 | System and method for mapping textures onto surfaces of computer-generated objects | Guenter Knittel | 2005-08-30 |
| 6927885 | Label with a diffractive bar code and reading arrangement for such labels | Rene Staub, Wayne Robert Tompkin, Peter Gehr | 2005-08-09 |
| 6924934 | Diffractive safety element | Wayne Robert Tompkin, Rene Staub | 2005-08-02 |
| 6906861 | Light-diffracting binary grating structure | Wayne Robert Tompkin, Rene Staub | 2005-06-14 |
| 6801346 | Diffractive safety element | Wayne Robert Tompkin | 2004-10-05 |
| 6236405 | System and method for mapping textures onto surfaces of computer-generated objects | Guenter Knittel | 2001-05-22 |