Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4612073 | Aluminum grain refiner containing duplex crystals | Matthew M. Guzowski, Geoffrey K. Sigworth | 1986-09-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4612073 | Aluminum grain refiner containing duplex crystals | Matthew M. Guzowski, Geoffrey K. Sigworth | 1986-09-16 |