Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5251421 | Prestress wire splicing apparatus | Ralph Friedrich, Ming-Che Kuo | 1993-10-12 | $543,000 |
| 4706494 | Seal integrity testing | Sherman Howell Creed | 1987-11-17 | $16,012,000 |