Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4773778 | Fabric printer ribbon comprising a liquid vehicle containing a decolorizable Lewis acid/Lewis base complex | Guenter Pietsch, Karl-Heinz Bohne | 1988-09-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4773778 | Fabric printer ribbon comprising a liquid vehicle containing a decolorizable Lewis acid/Lewis base complex | Guenter Pietsch, Karl-Heinz Bohne | 1988-09-27 |