Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679198 | Method of producing a transfer for forming retroreflective graphic images | Erik Franke, Eilif Strand | 1997-10-21 |
| 5620613 | Retroreflective transfer sheet material method | — | 1997-04-15 |
| 5612119 | Transfer article for forming retroreflective and colored images and method of making same | Erik Franke, Eilif Strand | 1997-03-18 |