Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6770341 | Polyethylene molding material and pipe produced therewith with improved mechanical properties | Ludwig Bohm, Joachim Berthold, Johannes-Friedrich Enderle, Elke Damm | 2004-08-03 |
| 6019934 | Hollow extrusion using internal coolant | — | 2000-02-01 |
| 5908679 | Pipe of polyethylene having improved mechanical properties | Joachim Berthold, Ludwig Bohm, Werner Breuers, Johannes-Friedrich Enderle, Manfred Fleissner +3 more | 1999-06-01 |
| 5625163 | Cartridge ammunition having accidental ignition preventing means | Stefan Thiesen, Thomas Heitmann, Holger Brase, Reiner Bukowski | 1997-04-29 |
| 4269895 | Free-flowing packing material of foamed plastics particles | Herbert Borchert, Walter Albert, Gunter Kohaut, Bruno Rapp | 1981-05-26 |