Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4773778 | Fabric printer ribbon comprising a liquid vehicle containing a decolorizable Lewis acid/Lewis base complex | Hubertus Greschenz, Karl-Heinz Bohne | 1988-09-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4773778 | Fabric printer ribbon comprising a liquid vehicle containing a decolorizable Lewis acid/Lewis base complex | Hubertus Greschenz, Karl-Heinz Bohne | 1988-09-27 |