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The ornamental design for a combined hoisting and positioning arm, substantially as shown. |
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FIG. 1 is a side elevation view of the combined hoisting and positioning arm showing our new design;
FIG. 2 is a top view;
FIG. 3 is a rear elevational view;
FIG. 4 is a front elevational view;
FIG. 5 is a bottom view.
Mefferd, Thomas A., Mefferd, Paul S.
| Patent | Priority | Assignee | Title |
| D743462, | Mar 21 2014 | Enerpac UK Ltd | Alignment device |
| Patent | Priority | Assignee | Title |
| 2786434, | |||
| 3814413, | |||
| 3883105, |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Aug 18 1977 | Mefferd Industries, Inc. | (assignment on the face of the patent) | / | |||
| Mar 31 1981 | MEFFERD INDUSTRIES, INC | POSITECH CORPORATION, A CORP OF | CHANGE OF NAME SEE DOCUMENT FOR DETAILS | 003843 | /0345 |
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