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The ornamental design for a retaining wall block, as shown and described.
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FIG. 1 is a perspective view of a retaining wall block showing our new design;
FIG. 2 is a left side elevational view thereof, the right side elevational view being a mirror copy of this view;
FIG. 3 is a top plan view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a rear elevational view thereof; and,
FIG. 6 is a front perspective view thereof, in an exploded form.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Oct 31 2001 | RISI, ANTONIO | ROTHBURY INTERNATIONAL INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 012397 | /0347 | |
| Dec 14 2001 | RISI, ANGELO | ROTHBURY INTERNATIONAL INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 012397 | /0347 | |
| Dec 18 2001 | Rothbury International Inc. | (assignment on the face of the patent) | / |
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