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The ornamental design for a water filter, as shown. |
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FIG. 1 illustrates a front view of a water filter my new design;
FIG. 2 illustrates a left side view thereof;
FIG. 3 illustrates a right side view thereof;
FIG. 4 illustrates a rear view thereof;
FIG. 5 illustrates a top view thereof; and,
FIG. 6 illustrates a bottom view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Apr 19 1993 | HEILIGMAN, RANDY B | ULTRAPURE SYSTEMS, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 006530 | /0748 | |
| Apr 22 1993 | Ultrapure Systems, Inc. | (assignment on the face of the patent) | / | |||
| Aug 23 2002 | ULTRAPURE SYSTEMS, INC | PLYMOUTH PRODUCTS, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 013634 | /0049 | |
| Jun 28 2008 | PENTAIR FILTRATION, INC | FLECK CONTROLS, LLC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 021212 | /0992 |
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