Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5619372 | Stereomicroscope for making transparent media visible and method therefor | Thomas Hellmuth, Peter Seidel | 1997-04-08 |
| 5593492 | Weld through primer | Scott A. Armstrong | 1997-01-14 |