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The ornamental design for a water purification unit, as shown and described
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FIG. 1 is a perspective view of my design for a water purification unit;
FIG. 2 is a left elevational view thereof of which the right side is a mirror image thereof;
FIG. 3 is a back elevational view thereof;
FIG. 4 is a front elevational view of my design for a water purification unit;
FIG. 5 is a bottom plan view thereof; and,
FIG. 6 is a top plan view of the water purification unit.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Nov 14 1996 | Paragon Water Systems, Inc. | (assignment on the face of the patent) | / |
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