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The ornamental design for an apparatus for measuring the natural frequency of elongate objects, as shown and described. |
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FIG. 1 is a top and right perspective view of an apparatus for measuring the natural frequency of elongate objects showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a right side elevational view thereof; and
FIG. 7 is a left side elevational view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Mar 11 1985 | M. W. Tool Company | (assignment on the face of the patent) | / | |||
| Dec 01 1987 | DRAGOTTA, PETER M | M W TOOL COMPANY, A CORP OF | ASSIGNMENT OF ASSIGNORS INTEREST | 004796 | /0941 |
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