Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672410 | Embossed metallic leafing pigments | Dennis R. Benoit, Richard M. Thomas, James P. Rettker, Karl Josephy | 1997-09-30 |
| 5650248 | Process for making machine readable images | Dennis R. Benoit, Richard M. Thomas, James P. Rettker, Karl Josephy | 1997-07-22 |
| 5629068 | Method of enhancing the visibility of diffraction pattern surface embossment | Richard Fotland, Frederick Miekka, John Fitch, Karl Josephy | 1997-05-13 |
| 5624076 | Process for making embossed metallic leafing pigments | Dennis R. Benoit, Richard M. Thomas, James P. Rettker, Karl Josephy | 1997-04-29 |