Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5372910 | Image transfer layers | Helmet H. Frohlich | 1994-12-13 |
| 5292622 | Process for preparation of images on tonable light-sensitive layers | Helmut Fröhlich | 1994-03-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5372910 | Image transfer layers | Helmet H. Frohlich | 1994-12-13 |
| 5292622 | Process for preparation of images on tonable light-sensitive layers | Helmut Fröhlich | 1994-03-08 |