Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4660480 | Process and device for loosening agriculturally used soil | — | 1987-04-28 |
| 4658738 | Apparatus and process for treating soil used for cultivation | — | 1987-04-21 |
| 4624194 | Probe for breaking and injecting soil | — | 1986-11-25 |
| 4496007 | Compressed-air pile-driver | — | 1985-01-29 |
| 4429647 | Method of and device for loosening agriculturally used soil | — | 1984-02-07 |