Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4253781 | Method and an apparatus for providing a grouted anchorage against hydrostatic pressure | Joachim Fischer, Rudolf Bartoszek | 1981-03-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4253781 | Method and an apparatus for providing a grouted anchorage against hydrostatic pressure | Joachim Fischer, Rudolf Bartoszek | 1981-03-03 |