Issued Patents 2016
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9469145 | Security feature having several components | Thomas Giering, Johann Kecht | 2016-10-18 |
| 9453162 | Alkali metal and alkaline earth metal niobates and tantalates as security feature substances | Johann Kecht, Kai Uwe Stock | 2016-09-27 |
| 9447544 | Security feature having several components | Thomas Giering, Johann Kecht | 2016-09-20 |
| 9409434 | Security feature | Johann Kecht, Kai Uwe Stock | 2016-08-09 |
| 9327542 | Value document, method for checking the presence of same and value document system | Johann Kecht, Wolfgang Rauscher | 2016-05-03 |