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X-Pert Well Service, Inc. Patents |
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Assignee: X-Pert Well Service, Inc.
Address: Hobbs, NM
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4442918 |
Emergency escape device |
April 17, 1984 |
| An escape device for allowing an endangered person to be safely lowered from a drilling tower or other elevated structure includes an automatic brake which controls the descent of a trolley assembly downwardly along an escape cable extending from the elevated structure to a ground level | |
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