Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7849993 | Devices and method for the production of sheet material | Klaus Finkenzeller, Thomas Giering, Manfred Heim, Thomas Hildebrandt, Ralf Hobmeier +17 more | 2010-12-14 |
| 7449212 | Security document | — | 2008-11-11 |
| 7207490 | Security element | — | 2007-04-24 |
| 6474695 | Security element in the form of a thread or be embedded in security and methods of producing it | Theo Burchard | 2002-11-05 |
| 5876068 | Security element in the form of a thread or strip to be embedded in security documents and methods of producing it | Theo Burchard | 1999-03-02 |
| 5803503 | Magnetic metallic safeguarding thread with negative writing | Wittich Kaule, Michael Boehm, Theodor Burchard | 1998-09-08 |
| 5599047 | Magnetic metallic safeguarding thread with negative writing and a method of making same | Wittich Kaule, Michael Boehm, Theodor Burchard | 1997-02-04 |
| 5258473 | Preparation of finely divided, water-soluble polymers | Manfred Niessner, Stefan Wickel, Juergen Beck, Heinrich Hartmann, Thomas A. Meyer | 1993-11-02 |
| 4966424 | Cabinet construction | — | 1990-10-30 |
| 4827643 | Identification device for a container | David T. Hearst | 1989-05-09 |
| 4763927 | Security document | — | 1988-08-16 |
| 4714579 | Method and an apparatus for the production of shaped articles | Heinrich Boden | 1987-12-22 |
| 4695166 | Piston metering device for the production of plastic material from at least two flowable reaction components | Klaus Schulte, Klaus Nadolski, Heinrich Ersfeld, Wilfried Ebeling, Heinrich Boden | 1987-09-22 |
| 4621879 | Box-like furniture structure | — | 1986-11-11 |
| 4582658 | Process for the production of a cellular composite plastic part | Wolfgang Reichmann, Ulrich Knipp, Adolf Richartz | 1986-04-15 |
| 4572392 | Box construction | — | 1986-02-25 |
| 4572820 | Process and apparatus for the production of a flowable reaction mixture | Heinrich Boden | 1986-02-25 |
| 4540183 | Lined gasket or sealing insert and method of making same | Klaus Ebert, Konrad Otto | 1985-09-10 |
| 4504357 | Security with identifying marks printed in the substance of a paper layer | Hans J. Holbein, Paul Leiderer | 1985-03-12 |
| 4390563 | Method for producing top surfacing layers | Erich Hodes, Danilo Sternisa | 1983-06-28 |
| 4314955 | Method of filling cavities, in particular, mold cavities, with a reactive flowable mixture | Heinrich Boden | 1982-02-09 |
| 4309474 | Stratification mass for the production of top surfacing layers | Erich Hodes, Danilo Sternisa | 1982-01-05 |
| 4200678 | Flexible multilayer magnetic recording medium | Philipp Pister, Franz Buettner, Fritz Hammon, Manfred Ohlinger, Heinz Stritzinger +1 more | 1980-04-29 |