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The ornamental design for a load balancing arm knuckle, as shown and described. |
FIG. 1 is the perspective view of the load balancing arm knuckle;
FIG. 2 is a front side elevational view;
FIG. 3 is a rear side elevational view;
FIG. 4 is a left side elevational view;
FIG. 5 is a right side elevational view;
FIG. 6 is a top plan view; and,
FIG. 7 is a bottom plan view.
Patent | Priority | Assignee | Title |
ER4399, | |||
ER7740, |
Patent | Priority | Assignee | Title |
D351849, | Jul 09 1993 | Barrett Technology, Inc. | Robotic shoulder |
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