Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D303341 | Tined mattock | — | 1989-09-12 |
| D303068 | Axe mattock | — | 1989-08-29 |
| D302933 | Two edge pick tool head | — | 1989-08-22 |
| D302381 | Combined chisel and pick tool head | — | 1989-07-25 |
| D300109 | Combination digging and trenching tool head | — | 1989-03-07 |
| D299412 | Axe | — | 1989-01-17 |
| D299210 | Combination crow bar/shovel tool | — | 1989-01-03 |