Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654354 | Compositions for diffusion patterning | John James Felten, Walter R. Hertler | 1997-08-05 |
| 5648405 | Aqueous ink jet inks | Walter R. Hertler | 1997-07-15 |
| 5609914 | Method for preparing high resolution polyimide images using non-photosensitive layers of poly(amic acid) or salts thereof | Walter R. Hertler, Howard E. Simmons, III | 1997-03-11 |