Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362440 | Tubular lost borehole closure | Otto-Ernst Glaesmann, Walter Marsch | 1982-12-07 |
| 4341301 | Adhesive securing of anchors in borehole | Ingo Romey | 1982-07-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362440 | Tubular lost borehole closure | Otto-Ernst Glaesmann, Walter Marsch | 1982-12-07 |
| 4341301 | Adhesive securing of anchors in borehole | Ingo Romey | 1982-07-27 |