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The ornamental design for a water purification unit, as shown and described. |
FIG. 1 is a top, front perspective view of a water purification unit showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a left side elevational view thereof, the right side being a mirror image;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof; and
FIG. 6 is a bottom plan view thereof.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jan 20 1986 | HOPKINS, DAVID H | NIMBUS WATER SYSTEMS, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 004563 | /0290 | |
Jan 30 1986 | Nimbus Water Systems, Inc. | (assignment on the face of the patent) | / |
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