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Vector Oil Tool Ltd. Patents |
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Assignee: Vector Oil Tool Ltd.
Address: Edmonton, CA
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5647446 |
Two way hydraulic drilling jar |
July 15, 1997 |
| A two way hydraulic drilling jar which includes a tubular housing having an interior surface defining an interior bore. A mandrel is provided having an exterior surface. The mandrel is telescopically received within the interior bore of the tubular housing. The exterior surface of the ma |
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