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The ornamental design for a combined conductivity monitor and controller, as shown. |
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FIG. 1 is a perspective view of a combined conductivity monitor and controller embodying my design;
FIG. 2 is a front view thereof;
FIG. 3 is a side view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a top view thereof; and
FIG. 6 is a bottom view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Feb 29 1980 | BERRY, WILLIAM J JR | DARCO WATER SYSTEMS INC, A CORP OF N C | ASSIGNMENT OF ASSIGNORS INTEREST | 003954 | /0885 | |
| Mar 10 1980 | Darco Water Systems, Inc. | (assignment on the face of the patent) | / |
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