Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5360076 | Dual metal face seal with single recessed energizer | Joseph L. Kelly, Jr. | 1994-11-01 |
| 5307887 | Earth boring bit with improved thrust bearing | — | 1994-05-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5360076 | Dual metal face seal with single recessed energizer | Joseph L. Kelly, Jr. | 1994-11-01 |
| 5307887 | Earth boring bit with improved thrust bearing | — | 1994-05-03 |