Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5459748 | Apparatus and method for electrically heating a refractory lined vessel by directly passing current througth an electrically conductive refractory via a resilient electrote assembly | Robert C. Gleichman, Richard W. Wittman | 1995-10-17 |