Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5207855 | Apparatus for sticking on stamps from an embossing foil | Michael Wessner, Ohannes Minnetian | 1993-05-04 |
| 5109767 | Device for the embossing of fine structures | Gregor Antes, Hansjorg Schmidlin | 1992-05-05 |
| 4556378 | Apparatus for embossing high resolution relief patterns | Peter Gehr, Martin Stalder, Gregor Antes | 1985-12-03 |
| 4376887 | Device for the thermal erasure of mechanically readable optical markings | David L. Greenaway, Joseph A. Clarinval | 1983-03-15 |
| 4223050 | Process for embossing a relief pattern into a thermoplastic information carrier | David L. Greenaway | 1980-09-16 |
| 4211918 | Method and device for identifying documents | David L. Greenaway, Heinz Lienhard | 1980-07-08 |