Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679198 | Method of producing a transfer for forming retroreflective graphic images | Ulf N. Olsen, Erik Franke | 1997-10-21 |
| 5612119 | Transfer article for forming retroreflective and colored images and method of making same | Ulf N. Olsen, Erik Franke | 1997-03-18 |