Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5666633 | Method of producing interlocking metal parts | Norbert Arnold, Bernd Hein, Manfred Haage, Bernd Plocher | 1997-09-09 |
| 5634752 | Anchor bolt for anchoring by compound mass, and method of manufacturing the same | Manfred Haage, Bernd Plocher, Bernd Hein, Wilfried Weber | 1997-06-03 |
| 5569091 | Expansible metal anchor and method of manufacturing it | Manfred Haage, Bernd Plocher, Bernd Hein, Wilfried Weber | 1996-10-29 |