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3159699
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Patent number 3,159,699
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3138164
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Patent number 3,138,164
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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3100677
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Patent number 3,100,677
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B28 - WORKING CEMENT, CLAY, OR STONE
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3076233
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Patent number 3,076,233
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3075244
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Patent number 3,075,244
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B28 - WORKING CEMENT, CLAY, OR STONE
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3070841
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3032820
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Patent number 3,032,820
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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2965946
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Patent number 2,965,946
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C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
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2869947
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Patent number 2,869,947
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B22 - CASTING POWDER METALLURGY
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2708783
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B28 - WORKING CEMENT, CLAY, OR STONE
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2627641
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B28 - WORKING CEMENT, CLAY, OR STONE
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2540457
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2362701
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B22 - CASTING POWDER METALLURGY
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1952038
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1910496
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1650832
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B28 - WORKING CEMENT, CLAY, OR STONE
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1630436
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B28 - WORKING CEMENT, CLAY, OR STONE
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1630066
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B28 - WORKING CEMENT, CLAY, OR STONE
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1605201
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B28 - WORKING CEMENT, CLAY, OR STONE
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1604107
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B28 - WORKING CEMENT, CLAY, OR STONE
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1565739
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B28 - WORKING CEMENT, CLAY, OR STONE
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1565738
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1460455
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1358297
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1262016
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792999
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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771090
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL