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Stone wall construction method
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Patent number 9,975,272
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Issue date May 22, 2018
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NATURAL STONE WALL SOLUTIONS
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Troy D. Guinther
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B28 - WORKING CEMENT, CLAY, OR STONE
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Cementitious products
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Patent number 6,159,401
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Issue date Dec 12, 2000
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Entwicklungsgesellschaft Wolfgang Hoesch Gdbr
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Wolfgang Hoesch
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B44 - DECORATIVE ARTS
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3874140
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Patent number 3,874,140
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Issue date Apr 1, 1975
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B44 - DECORATIVE ARTS
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3737511
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Patent number 3,737,511
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Issue date Jun 5, 1973
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B28 - WORKING CEMENT, CLAY, OR STONE
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3608051
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Patent number 3,608,051
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Issue date Sep 21, 1971
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B28 - WORKING CEMENT, CLAY, OR STONE
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3590447
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Patent number 3,590,447
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Issue date Jul 6, 1971
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B28 - WORKING CEMENT, CLAY, OR STONE
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3566490
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Patent number 3,566,490
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Issue date Mar 2, 1971
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B28 - WORKING CEMENT, CLAY, OR STONE
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3497580
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Patent number 3,497,580
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Issue date Feb 24, 1970
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B28 - WORKING CEMENT, CLAY, OR STONE
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3496264
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Patent number 3,496,264
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Issue date Feb 17, 1970
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B28 - WORKING CEMENT, CLAY, OR STONE
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3469000
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Patent number 3,469,000
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Issue date Sep 23, 1969
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B28 - WORKING CEMENT, CLAY, OR STONE
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3426112
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Patent number 3,426,112
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Issue date Feb 4, 1969
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B28 - WORKING CEMENT, CLAY, OR STONE
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3390496
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Patent number 3,390,496
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Issue date Jul 2, 1968
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B28 - WORKING CEMENT, CLAY, OR STONE
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3378617
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Patent number 3,378,617
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Issue date Apr 16, 1968
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B28 - WORKING CEMENT, CLAY, OR STONE
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3331175
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Patent number 3,331,175
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Issue date Jul 18, 1967
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B28 - WORKING CEMENT, CLAY, OR STONE
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2890492
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Patent number 2,890,492
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Issue date Jun 16, 1959
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B28 - WORKING CEMENT, CLAY, OR STONE
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2467590
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Patent number 2,467,590
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Issue date Apr 19, 1949
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B28 - WORKING CEMENT, CLAY, OR STONE
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2296453
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Patent number 2,296,453
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Issue date Sep 22, 1942
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B28 - WORKING CEMENT, CLAY, OR STONE