Modular block system
The broken lines in the drawing views are included for the purpose of illustrating a portion of the modular block system that forms no part of the claimed design.
Claims
The ornamental design for a modular block system, as shown and described.
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Type: Grant
Filed: Oct 3, 2009
Date of Patent: Jul 20, 2010
Inventor: Paul Adam (Jefferson City, MO)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Anhdao Doan
Attorney: David H. Chervitz
Application Number: 29/316,487