Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873038 | Method for producing ceramic/metal heat storage media, and to the product thereof | Robert A. Rapp | 1989-10-10 |
| 4834925 | Method for producing mold-shaped ceramic bodies | — | 1989-05-30 |
| 4830799 | Method of making shaped ceramic articles by shape replication of an expendable pattern | — | 1989-05-16 |
| 4818454 | Method of making ceramic composite articles by inverse shape replication of an expendable pattern | Andrew W. Urquhart | 1989-04-04 |