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US D519,136 S1Granted
Swivel body for a top drive in a wellbore derrick
AssigneeVarco I/P, Inc.
InventorsRobert Alden Folk, Steven Lorne Folk
Life of this patent
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Abstract
The abstract isn’t available for this document.
Claims1
The ornamental design for a swivel body for a top drive in a wellbore derrick, as shown and described.