Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810527 | Free surface casting method | James E. Geary, Jr., David R. Schiff, Richard D. Mules | 1989-03-07 |
| 4804556 | Edge thickness control system | Joseph D. Trentacosta | 1989-02-14 |
| 4804557 | Thickness control system having a duty cycle controller | John D. Anthony, Jr. | 1989-02-14 |