Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8505983 | Expansion seal, especially for gases | — | 2013-08-13 |
| 4341571 | Method of making planar devices by direct implantation into substrate using photoresist mask | Ulrich Waldvogel | 1982-07-27 |