Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5407874 | Dense skin ceramic structure and method of making the same | Harry R. Zwicker | 1995-04-18 |
| 5238886 | Surface bonding of ceramic bodies | Andrew W. Urquhart, Marc S. Newkirk | 1993-08-24 |
| 5185302 | Dense skin ceramic structure and method of making the same | Harry R. Zwicker | 1993-02-09 |
| 5104835 | Surface bonding of ceramic bodies | Andrew W. Urquhart, Marc S. Newkirk | 1992-04-14 |
| 4837232 | Dense skin ceramic structure and method of making the same | Harry R. Zwicker | 1989-06-06 |
| 4824008 | Surface bonding of ceramic bodies | Andrew W. Urquhart, Marc S. Newkirk | 1989-04-25 |