Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5327266 | Simultaneous multiple exposure holograms using coherence mismatch to prevent crosstalk | Jerry L. Mulder, John E. Wreede | 1994-07-05 |
| 5318816 | Laminated hologram decals for identification cards and the like | Khin Swe Yin, John E. Wreede | 1994-06-07 |
| 5282066 | Multiple layer holograms | Khin Swe Yin, John E. Wreede | 1994-01-25 |
| 5278008 | Diffraction efficiency control in holographic elements | Gaylord E. Moss, John E. Wreede | 1994-01-11 |