Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5251421 | Prestress wire splicing apparatus | Ralph Friedrich, Ming-Che Kuo | 1993-10-12 |
| 4706494 | Seal integrity testing | Sherman Howell Creed | 1987-11-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5251421 | Prestress wire splicing apparatus | Ralph Friedrich, Ming-Che Kuo | 1993-10-12 |
| 4706494 | Seal integrity testing | Sherman Howell Creed | 1987-11-17 |