Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6797023 | Coated abrasives | Olivier Leon-Marie Fernand Guiselin, Kenneth Lorenz | 2004-09-28 | |
| 5651925 | Process for quenching molten ceramic material | Peter J. Ashley, Larry O. Hill, Rene G. Demers, D. C. Batchelor | 1997-07-29 | |
| 4960441 | Sintered alumina-zirconia ceramic bodies | Scott W. Pellow, Ronald W. Trischuk, Ralph Bauer | 1990-10-02 | |
| 4565792 | Partially stabilized zirconia bodies | — | 1986-01-21 | $4,002,000 |