Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6937322 | Methods and devices for testing the color fastness of imprinted objects | Klaus Thierauf | 2005-08-30 |
| 6094147 | Method for detecting an electroconductive element in a document | — | 2000-07-25 |
| 5691474 | Method and apparatus for dynamic determination of the thickness and/or basis weight of moving material under test | — | 1997-11-25 |