Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6165592 | Document with doped optical security attribute, layer composite for making same and test device for testing the document for authenticity | Peter Fajmann | 2000-12-26 |
| 4740269 | Process and apparatus for applying authenticating coding to value-carrying paper | Hans-Thilo Langer | 1988-04-26 |
| 4503867 | Apparatus for severing a running web of tipping paper or the like | Karl-Heinz Barbe | 1985-03-12 |
| 4237778 | Machine for making recessed composite filter mouthpieces | Nikolaus Hausler, Wolfgang Wiese | 1980-12-09 |
| 4186480 | Method of manufacturing a rotatable magnetic head arrangement | Wolfgang Binder Kriegelstein | 1980-02-05 |