Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5296420 | Composite refractory materials | — | 1994-03-22 |
| 4885266 | Zirconia ceramic materials and method for making same | Robert R. Hughan, Richard H. J. Hannink, Michael Vincent Swain, Robert K. Stringer, Michael Murray | 1989-12-05 |
| 4579829 | Zircon/zirconia refractories | — | 1986-04-01 |
| 4279655 | Partially stabilized zirconia ceramics | Richard H. J. Hannink, Neil A. McKinnon | 1981-07-21 |