Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9731255 | Feedback controlled concrete production | Melvin L. Black | 2017-08-15 |
| 6126307 | Method and apparatus for mixing concrete with controlled energy absorption and variable discharge gate | Melvin L. Black | 2000-10-03 |
| 4685499 | Steering wheel cover | — | 1987-08-11 |