Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4746534 | Method of making a thermocouple | R. Michael Phillippi, David C. Greenspan, Richard Theodore Ellis, Tadeusz M. Drzewiecki, Taki Negas +1 more | 1988-05-24 |
| 4721533 | Protective structure for an immersion pyrometer | R. Michael Phillippi, David C. Greenspan | 1988-01-26 |
| 4721534 | Immersion pyrometer | R. Michael Phillippi, David C. Greenspan, Richard Theodore Ellis, Tadeusz M. Drzewiecki, Taki Negas +1 more | 1988-01-26 |