Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4866014 | Method of making a stress resistant, partially stabilized zirconia ceramic | Donald J. Cassidy, Roy L. Van Alsten | 1989-09-12 | $18,338,000 |
| 4324356 | Process for joining silicon nitride based ceramic bodies | Howard D. Blair | 1982-04-13 | $16,961,000 |