Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5334562 | Composite ceramic articles | Marc S. Newkirk, Andrew W. Urquhart, Harry R. Zwicker | 1994-08-02 |
| 5275987 | Inverse shape replication method of making ceramic composite articles and articles obtained thereby | Marc S. Newkirk, Andrew W. Urquhart | 1994-01-04 |