Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840496 | Noncontact temperature pattern measuring device | Daniel D. Elleman, James L. Allen | 1989-06-20 |
| 4820503 | Catalytic hollow spheres | Taylor G. Wang, Daniel D. Elleman, James M. Kendall, Jr. | 1989-04-11 |
| 4804796 | Catalytic, hollow, refractory spheres, conversions with them | Taylor G. Wang, Daniel D. Elleman, James M. Kendall, Jr. | 1989-02-14 |