Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868143 | Methods of making ceramic articles with a modified metal-containing component | Marc S. Newkirk, Andrew W. Urquhart | 1989-09-19 |
| 4853352 | Method of making self-supporting ceramic materials and materials made thereby | Marc S. Newkirk | 1989-08-01 |
| 4851375 | Methods of making composite ceramic articles having embedded filler | Marc S. Newkirk, Andrew W. Urquhart, H. Daniel Lesher | 1989-07-25 |
| 4837232 | Dense skin ceramic structure and method of making the same | Stanley J. Luszcz | 1989-06-06 |