Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5520319 | Tool for manually anchoring expansion dowels | Franz Popp | 1996-05-28 |
| 5288190 | Expansion dowel assembly | Antonius Winkeljann | 1994-02-22 |
| 5152677 | Dry-running reciprocating compressor | Heinz Bauer | 1992-10-06 |