Lee; Robert Arthur
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lee; Robert Arthur.The latest application filed is for "optical device having an optical array".
- Lee; Robert Arthur - East Burwood N/A AU
- Lee; Robert Arthur - Craigieburn Victoria
- Lee; Robert Arthur - Victoria AU
- Lee; Robert Arthur - Lititz PA
| Patent | Date |
|---|---|
| Optically variable device Grant 10,185,065 - Lok , et al. Ja | 2019-01-22 |
| Optical Device Having An Optical Array App 20180247478 - Lee; Robert Arthur ; et al. | 2018-08-30 |
| Hybrid security device for security document or token Grant 10,046,589 - Lee , et al. August 14, 2 | 2018-08-14 |
| Diffractive Device Having Embedded Light Source Mechanism App 20180147880 - Lee; Robert Arthur | 2018-05-31 |
| Hybrid Security Device For Security Document Or Token App 20170106690 - Lee; Robert Arthur ; et al. | 2017-04-20 |
| Security Element App 20140042738 - Power; Gary Fairless ; et al. | 2014-02-13 |
| Optically Variable Device App 20130258477 - Lok; Phei ; et al. | 2013-10-03 |
| Micrographic Device App 20080088124 - LEE; Robert Arthur ; et al. | 2008-04-17 |
| Optical device and methods of manufacture Grant 7,281,810 - Lee October 16, 2 | 2007-10-16 |
| Method of forming a diffractive device App 20070109643 - Lee; Robert Arthur ; et al. | 2007-05-17 |
| Method of forming a reflective device App 20070110317 - Davis; Timothy John ; et al. | 2007-05-17 |
| Optical device and methods of manufacture App 20050052745 - Lee, Robert Arthur | 2005-03-10 |
| Diffractive structure with interstitial elements Grant 6,833,956 - Lee December 21, 2 | 2004-12-21 |
| Multiple image diffractive device Grant 6,342,969 - Lee January 29, 2 | 2002-01-29 |
| Diffractive structure with interstitial elements App 20010043396 - Lee, Robert Arthur | 2001-11-22 |
| Three-dimensional microstructure App 20010041307 - Lee, Robert Arthur ; et al. | 2001-11-15 |
| Diffractive device having a surface relief structure which generates two or more diffraction images and includes a series of tracks Grant 6,088,161 - Lee July 11, 2 | 2000-07-11 |
| Diffractive indicia for a surface Grant 5,912,767 - Lee June 15, 1 | 1999-06-15 |
| Multiple image diffractive device Grant 5,909,313 - Lee June 1, 1 | 1999-06-01 |
| Diffractive device for generating one or more diffracting images including a surface relief structure at least partly arranged in a series of tracks Grant 5,825,547 - Lee October 20, 1 | 1998-10-20 |
| Optical data element including a diffraction zone with a multiplicity of diffraction gratings Grant 5,811,775 - Lee September 22, 1 | 1998-09-22 |
| Method Of Making A Directly-heated Cathode Grant 3,800,378 - Lee , et al. April 2, 1 | 1974-04-02 |
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