Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6220130 | Pipe machining apparatus | — | 2001-04-24 |
| 5288005 | Automatic internal pipe line-up clamp | Jerry P. Christopher | 1994-02-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6220130 | Pipe machining apparatus | — | 2001-04-24 |
| 5288005 | Automatic internal pipe line-up clamp | Jerry P. Christopher | 1994-02-22 |