Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5478417 | Controlled thermal expansion superalloy | Karl A. Heck, Melissa A. Moore, Darrell F. Smith, Jr., John S. Smith | 1995-12-26 |
| 5439640 | Controlled thermal expansion superalloy | Karl A. Heck, Melissa A. Moore, Darrell F. Smith, Jr., John S. Smith | 1995-08-08 |
| 5425912 | Low expansion superalloy with improved toughness | Darrell F. Smith, Jr., Il Sun Hwang | 1995-06-20 |