Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5062756 | Device for positioning and stabbing casing from a remote selectively variable location | John G. Harrel, John Mayberry | 1991-11-05 |
| 5049020 | Device for positioning and stabbing casing from a remote selectively variable location | — | 1991-09-17 |
| 4921386 | Device for positioning and stabbing casing from a remote selectively variable location | — | 1990-05-01 |
| 4652195 | Casing stabbing and positioning apparatus | — | 1987-03-24 |
| 4440220 | System for stabbing well casing | — | 1984-04-03 |