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Set of pavers
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Patent number D951485
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Issue date May 10, 2022
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Riccobene Designs LLC
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Dominic T. Riccobene
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D25 - Building units and construction elements
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Landscaping block wall
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Patent number D905282
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Issue date Dec 15, 2020
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Keystone Retaining Wall Systems LLC
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Dominic T. Riccobene
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D25 - Building units and construction elements
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Set of pavers
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Patent number D896995
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Issue date Sep 22, 2020
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Riccobene Designs LLC
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Dominic T. Riccobene
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D25 - Building units and construction elements
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Twisted block
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Patent number 10,760,224
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Issue date Sep 1, 2020
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KEYSTONE RETAINING WALL SYSTEMS LLC
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Robert A. MacDonald
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Landscaping block
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Patent number D866799
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Issue date Nov 12, 2019
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Keystone Retaining Wall Systems LLC
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Dominic T. Riccobene
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D25 - Building units and construction elements
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Twisted block
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Patent number 10,329,717
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Issue date Jun 25, 2019
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Keystone Retaining Wall Systems LLC
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Robert A. MacDonald
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Landscaping block
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Patent number D824542
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Issue date Jul 31, 2018
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Keystone Retaining Wall Systems LLC
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Robert John Lundell
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D25 - Building units and construction elements
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Landscaping block
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Patent number D819231
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Issue date May 29, 2018
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Keystone Retaining Wall Systems LLC
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Robert John Lundell
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D25 - Building units and construction elements
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Landscaping block
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Patent number D816869
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Issue date May 1, 2018
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Keystone Retaining Wall Systems LLC
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Robert John Lundell
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D25 - Building units and construction elements
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Landscaping block
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Patent number D810322
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Issue date Feb 13, 2018
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Keystone Retaining Wall Systems LLC
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Robert A. MacDonald
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D25 - Building units and construction elements
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Landscaping block
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Patent number D809673
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Issue date Feb 6, 2018
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Keystone Retaining Wall Systems LLC
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Robert John Lundell
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D25 - Building units and construction elements
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Edger having connection surfaces
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Patent number 9,832,934
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Issue date Dec 5, 2017
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Keystone Retaining Wall Systems LLC
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Thomas S. Riccobene
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Landscaping block
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Patent number D791345
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Issue date Jul 4, 2017
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Keystone Retaining Wall Systems LLC
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Robert John Lundell
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D25 - Building units and construction elements
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Landscaping block
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Patent number D789556
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Issue date Jun 13, 2017
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Keystone Retaining Wall Systems LLC
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Robert John Lundell
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D25 - Building units and construction elements
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Landscaping block
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Patent number D789558
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Issue date Jun 13, 2017
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Keystone Retaining Wall Systems LLC
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Robert John Lundell
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D25 - Building units and construction elements