Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6464010 | Apparatus and method for cleaning a tubular member with a brush | — | 2002-10-15 |
| 6209647 | Down hole casing string cleaning device and method | — | 2001-04-03 |
| 5947203 | Method of cleaning a down hole casing string | — | 1999-09-07 |
| 5829521 | Down hole cleaning device and method | — | 1998-11-03 |
| D331199 | Line square | — | 1992-11-24 |