Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4382070 | Process for producing xerogel of silicic acid with high volume of pores | Dusan Berek | 1983-05-03 |
| 4371598 | Method for fabricating aligned patterns on the opposed surfaces of a transparent substrate | John W. Medernach, Harry D. Bush | 1983-02-01 |
| 4255286 | Process of preparing spherical microparticles | Dusan Berek | 1981-03-10 |