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The ornamental design for an portable water purification apparatus, as shown. |
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FIG. 1 is a left side view of a portable water purification apparatus showing my new design;
FIG. 2 is a bottom view;
FIG. 3 is a top view;
FIG. 4 is a right side view;
FIG. 5 is a front view; and,
FIG. 6 is a rear view.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Sep 29 1998 | COOK, JAMES E | PURE RINSE SYSTEM S, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 009503 | /0485 | |
| Oct 02 1998 | Pure Rinse Systems, Inc | (assignment on the face of the patent) | / |
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