Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5160508 | Self-reinforced silicon nitride ceramic of high fracture toughness | Aleksander J. Pyzik, Harold E. Rossow, Douglas B. Schwarz, Donald R. Beaman, Barbara M. Pyzik | 1992-11-03 |
| 5118645 | Self-reinforced silicon nitride ceramic of high fracture toughness and a method of preparing the same | Aleksander J. Pyzik, Harold E. Rossow, Douglas B. Schwarz, Donald R. Beaman, Barbara M. Pyzik | 1992-06-02 |
| 5021372 | Method of preparing a self-reinforced silicon nitride ceramic of high fracture toughness | Aleksander J. Pyzik, Douglas B. Schwarz, Harold E. Rossow, Donald R. Beaman, Barbara M. Pyzik | 1991-06-04 |
| 4919689 | Self-reinforced silicon nitride ceramic of high fracture toughness | Aleksander J. Pyzik, Douglas B. Schwarz, Donald R. Beaman | 1990-04-24 |
| 4883776 | Self-reinforced silicon nitride ceramic of high fracture toughness and a method of preparing the same | Aleksander J. Pyzik, Douglas B. Schwarz, Donald R. Beaman | 1989-11-28 |