Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4773803 | Expansion dowel assembly with extension on expansion member | Armin Herb | 1988-09-27 |
| 4673321 | Expansion dowel | Armin Herb, Rudolf Leuthi | 1987-06-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4773803 | Expansion dowel assembly with extension on expansion member | Armin Herb | 1988-09-27 |
| 4673321 | Expansion dowel | Armin Herb, Rudolf Leuthi | 1987-06-16 |