Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810527 | Free surface casting method | James E. Geary, Jr., Kenneth Wayne Leffew, David R. Schiff | 1989-03-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810527 | Free surface casting method | James E. Geary, Jr., Kenneth Wayne Leffew, David R. Schiff | 1989-03-07 |