Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4371502 | Crystal growing furnace pulling head | Clifton B. Sibley | 1983-02-01 |
| 4250226 | Method for producing an adhesive-coated high-strength steel reinforcing member | Thomas Graham, George H. Thaxton, Francis Mitchell | 1981-02-10 |