Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6497643 | Former | Manfred Hartmann, Horst Bernhard Michalik | 2002-12-24 |
| 6484402 | Rollers or cylinders with a metallic foam core | Erhard Herbert Glöckner, Willi Albert Peter Kutzner | 2002-11-26 |