Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5267738 | Rockdrill seal | — | 1993-12-07 |
| 4846634 | Water to emulsion transformer | Derek E. Newman, Leland H. Lyon | 1989-07-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5267738 | Rockdrill seal | — | 1993-12-07 |
| 4846634 | Water to emulsion transformer | Derek E. Newman, Leland H. Lyon | 1989-07-11 |