Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5932134 | Polymer-based composition for producting magnetic and magnetizable molded articles | Hans-Peter Meyerhoff | 1999-08-03 |
| 5567797 | Polyamide composition and process for its production | Wolfgang Schneider | 1996-10-22 |
| 5327836 | Returning system for rail-borne transporting carts without self-driving means | Helmut Pfenning | 1994-07-12 |
| 5076172 | Returning system for rail-bound transport carts without internal drive | Erwin Grimm, Christian Rene Koch, Volker Hausler, Helmut Pfenning | 1991-12-31 |