Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4533001 | Multiple fixture for replacing worn hoe bits | Jack A. Tulen | 1985-08-06 |
| 4410048 | Replacement spoons and fixtures for rotary hoe | Jack A. Tulen | 1983-10-18 |
| 4276686 | Replacement spoons & fixtures for rotary hoe | Jack A. Tulen | 1981-07-07 |