Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5361835 | Cementing plug | — | 1994-11-08 |
| 5348351 | Coupling apparatus | Donald R. Wade | 1994-09-20 |
| 5311940 | Cementing plug | — | 1994-05-17 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5361835 | Cementing plug | — | 1994-11-08 |
| 5348351 | Coupling apparatus | Donald R. Wade | 1994-09-20 |
| 5311940 | Cementing plug | — | 1994-05-17 |