Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5735942 | Compositions containing bioactive glass and their use in treating tooth hypersensitivity | Leonard J. Litkowski, Gary D. Hack | 1998-04-07 |
| 4977001 | Protective cladding for a molybdenum substrate | — | 1990-12-11 |
| 4749416 | Immersion pyrometer with protective structure for sidewall use | — | 1988-06-07 |
| 4746534 | Method of making a thermocouple | R. Michael Phillippi, Richard Theodore Ellis, Tadeusz M. Drzewiecki, Taki Negas, Ernie Tokay +1 more | 1988-05-24 |
| 4721533 | Protective structure for an immersion pyrometer | R. Michael Phillippi, Ernie Tokay | 1988-01-26 |
| 4721534 | Immersion pyrometer | R. Michael Phillippi, Richard Theodore Ellis, Tadeusz M. Drzewiecki, Taki Negas, Ernie Tokay +1 more | 1988-01-26 |