Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4371041 | Multi-purpose mobile drill rig | Floyd W. Becker | 1983-02-01 |
| 4337563 | Method of assembling multiple wall drill pipe | Floyd W. Becker | 1982-07-06 |
| 4274663 | Multiple wall drill pipe | Floyd W. Becker | 1981-06-23 |