Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351414 | Lubricant fitting | — | 1982-09-28 |
| 4215749 | Gate valve for shearing workover lines to permit shutting in of a well | Roy R. Dare | 1980-08-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351414 | Lubricant fitting | — | 1982-09-28 |
| 4215749 | Gate valve for shearing workover lines to permit shutting in of a well | Roy R. Dare | 1980-08-05 |