Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5353723 | Seedling array transplanter head | Bruce L. Bierman | 1994-10-11 |
| 5215550 | Seedling array transplanter | Bruce L. Bierman | 1993-06-01 |
| 5133169 | Apparatus for denesting plant flats and pots and depositing pots within flats | Bruce L. Bierman | 1992-07-28 |
| 4573609 | Seed planting apparatus | — | 1986-03-04 |