Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5484559 | Apparatus and process for manufacturing balls made of a ceramic material | — | 1996-01-16 |
| 4906349 | Process for the manufacture of a measuring probe for a measuring head to detect the oxygen activity of metal melts and a measuring probe manufactured by such a process | Pamela Beatrice, Hans Leistner, James R. Wright, Ronne Proch | 1990-03-06 |
| 4621936 | Zirconia pen balls | John Hansson | 1986-11-11 |
| 4203772 | Porous zirconia containing ceramics | Allen D. Davis, Jr., Irwin M. Lachman | 1980-05-20 |