Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351739 | Sound absorbent panel | Willi Trojan | 1982-09-28 |
| 4341301 | Adhesive securing of anchors in borehole | Frank Meyer | 1982-07-27 |
| 4333816 | Method for the production of needle coke | Georg Kolling, Hellmut Kokot | 1982-06-08 |
| 4310422 | Method of processing and recirculating filtration residues | Reinhard Pass | 1982-01-12 |