Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864329 | Fluid handling device with filter and fabrication process therefor | Donald J. Drake, Almon P. Fisher | 1989-09-05 |
| 4860030 | Resistive printhead arrays for thermal transfer printing | Stephen F. Pond, Robert V. Lorenze, Jr., Michael P. O'Horo, Martin S. Maltz, Richard Kellerman | 1989-08-22 |
| 4831390 | Bubble jet printing device with improved printhead heat control | Narayan V. Deshpande, Dale R. Ims, Herman A. Hermanson, Roger G. Markham | 1989-05-16 |