Krietsch; Burkhard
Patent Applications and Registrations
Patent applications and USPTO patent grants for Krietsch; Burkhard.The latest application filed is for "machine-readable security element for security products".
- Krietsch; Burkhard - Dieburg DE
| Patent | Date |
|---|---|
| Intensely coloured and/or optically variable pigments having an electrically conductive core Grant 8,940,189 - Krietsch , et al. January 27, 2 | 2015-01-27 |
| Optically variable security element Grant 8,642,161 - Kuntz , et al. February 4, 2 | 2014-02-04 |
| Machine-readable security element for security products Grant 8,540,812 - Krietsch , et al. September 24, 2 | 2013-09-24 |
| Optically variable pigments of high electrical conductivity Grant 8,454,861 - Krietsch , et al. June 4, 2 | 2013-06-04 |
| Machine-readable Security Element For Security Products App 20110297039 - KRIETSCH; Burkhard ; et al. | 2011-12-08 |
| Machine-readable security element for security products Grant 8,039,094 - Krietsch , et al. October 18, 2 | 2011-10-18 |
| Intensely Coloured And/or Optically Variable Pigments Having An Electrically Conductive Core App 20100270510 - Krietsch; Burkhard ; et al. | 2010-10-28 |
| Optically Variable Pigments Of High Electrical Conductivity App 20100258769 - Krietsch; Burkhard ; et al. | 2010-10-14 |
| Dual security mark Grant 7,713,616 - Kuntz , et al. May 11, 2 | 2010-05-11 |
| Machine-readable Security Element For Security Products App 20100024681 - Krietsch; Burkhard ; et al. | 2010-02-04 |
| Security Paper App 20080295983 - Krietsch; Burkhard ; et al. | 2008-12-04 |
| Security Paper Comprising Windows App 20080251222 - Krietsch; Burkhard ; et al. | 2008-10-16 |
| Metallic ink, and use thereof for improving prints App 20070022901 - Kurze; Ulrich ; et al. | 2007-02-01 |
| Dual security mark App 20070006127 - Kuntz; Matthias ; et al. | 2007-01-04 |
| Laser marking of documents of value App 20060141391 - Klein; Sylke ; et al. | 2006-06-29 |
| Laser-markable plastics Grant 6,521,688 - Linzmeier , et al. February 18, 2 | 2003-02-18 |
| Electrophotographic dry toner comprising angle-dependent luster pigments App 20020192585 - Brenner, Gunter ; et al. | 2002-12-19 |
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