Swivel body for a top drive in a wellbore derrick

Details Swivel body for a top drive in a wellbore derrick Swivel body for a top drive in a wellbore derrick

2006-04-18

2006-04-18

Davis, Antoine D. (Department: 2915)

Machines not elsewhere specified

Material working, abrading, or founding machinery

Element or attachment

Design Patent

active

D0519136

CLAIM:
The ornamental design for a swivel body for a top drive in a wellbore derrick, as shown and described.

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