Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4314414 | Trench digging apparatus and bearing therefor | John Reynolds, Colin E. Gibson, Anton R. F. van der Steen | 1982-02-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4314414 | Trench digging apparatus and bearing therefor | John Reynolds, Colin E. Gibson, Anton R. F. van der Steen | 1982-02-09 |