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			 The ornamental design for a solenoid valve operator, as shown and described.  | 
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FIG. 1 is a perspective view of a solenoid valve operator showing my new design;
FIG. 2 is a front elevational view thereof on an enlarged scale;
FIG. 3 is a top plan view thereof on an enlarged scale;
FIG. 4 is a side elevational view thereof on an enlarged scale;
FIG. 5 is a bottom view thereof on an enlarged scale; and
FIG. 6 is a rear view thereof on an enlarged scale.
Cameron, Russell J., Fialkowski, Daniel H.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
| Jul 21 1975 | Ross Operating Valve Company | (assignment on the face of the patent) | / | 
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