U.S. patent number D686,346 [Application Number D/440,563] was granted by the patent office on 2013-07-16 for landscape stone. This patent grant is currently assigned to Keystone Retaining Wall Systems LLC. The grantee listed for this patent is Keystone Retaining Wall Systems LLC. Invention is credited to Robert A. MacDonald, Thomas S. Riccobene.
United States Patent | D686,346 |
Riccobene , et al. | July 16, 2013 |
Inventors: | Riccobene; Thomas S. (Albuquerque, NM), MacDonald; Robert A. (Plymouth, MN) | ||||||||||
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Applicant: |
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Assignee: | Keystone Retaining Wall Systems
LLC (Minneapolis, MN) |
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Appl. No.: | D/440,563 | ||||||||||
Filed: | December 21, 2012 |
Current U.S. Class: | D25/113 |
Current International Class: | 2501 |
Field of Search: | ;D25/102-118,119,138,148,152,153,156 ;D21/484-491,499-504 ;405/16,17,33,35,286 ;52/503-505,574,575,596-612,435,475,19 ;404/29-31,34 ;D8/1 |
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Keystone Retaining Wall Systems, Inc., A Contech Company, Imagine the Possibilities, 2007, pp. 2-23. cited by applicant . Lowe's, Concrete Landscaping Products and Inspiring Projects, Oldcastle, 2002, pp. 2-22. cited by applicant . Pavestone Co., Retaining Walls You can install yourself !, 2002, pp. 1-6. cited by applicant . Touches Top Soil, Mulch, Decorative Rock, Patio Stone, Retaining Wall and Edging, 1999. cited by applicant . Classic Edge by Rockwood, Jan. 27, 1997, Rockwood Retaining Walls, Inc. cited by applicant . Beautiful Edgers You Can Install Yourself, 2002, Pavestone Co. cited by applicant . Decorative Landscape Systems, Pavestone Co, 2000. cited by applicant. |
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