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I claim the ornamental design for a wall block, as shown and described.
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The dashed lines in the drawings represent unclaimed portions of the design.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jun 29 2011 | HAMMER, JAMES E | WESTBLOCK SYSTEMS, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 029672 | /0563 | |
Nov 18 2011 | WESTBLOCK SYSTEMS, INC | Westblock Development, LLC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 029673 | /0023 | |
Jul 12 2012 | Westblock Development, LLC | (assignment on the face of the patent) | / | |||
Apr 23 2013 | Westblock Development, LLC | WESTBLOCK SYSTEMS, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 030701 | /0718 |
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