Concrete waterfall
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The broken lines, when present, are for the purpose of illustrating (a) possible concrete block arrangements of the concrete waterfall or (b) the environment of the concrete waterfall, and form no part of the claimed design.
Claims
The ornamental design for a concrete waterfall, as shown and described.
Type: Grant
Filed: Apr 10, 2012
Date of Patent: May 20, 2014
Assignee: Mortarless Technologies, LLC (Rochester, MN)
Inventors: Gregory Scott Ernst (Elgin, MN), Brian A. Price (Rochester, MN)
Primary Examiner: Robin V Webster
Application Number: 29/417,940