Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4993993 | Belt tensioning apparatus | — | 1991-02-19 |
| 4951748 | Technique for electrically heating formations | William G. Gill | 1990-08-28 |
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4993993 | Belt tensioning apparatus | — | 1991-02-19 |
| 4951748 | Technique for electrically heating formations | William G. Gill | 1990-08-28 |