Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5324139 | Method for the construction of long tunnel with a lining | Harald Wagner, Alfred Schulter, Helmut Pfeil | 1994-06-28 |
| 5295384 | Sheet-metal bending device | — | 1994-03-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5324139 | Method for the construction of long tunnel with a lining | Harald Wagner, Alfred Schulter, Helmut Pfeil | 1994-06-28 |
| 5295384 | Sheet-metal bending device | — | 1994-03-22 |