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The ornamental design for an air velocity gauge, substantially as shown and described. |
FIG. 1 is a front elevational view of an air velocity gauge showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a right front perspective view thereof;
FIG. 5 is a left rear perspective view thereof; and
FIG. 6 is a right side elevational view thereof.
Buchanan, Steven O., Butts, Robert W.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
May 05 1978 | Dwyer Instruments, Inc. | (assignment on the face of the patent) | / |
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