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Stoneworking or cutting device
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Patent number 4,848,308
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Issue date Jul 18, 1989
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Betonwerke Munderkingen GmbH
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Olaf Hoppe
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B28 - WORKING CEMENT, CLAY, OR STONE
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Pavement breaking apparatus
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Patent number 4,453,773
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Issue date Jun 12, 1984
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Roger L. Toffolon
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3810676
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Patent number 3,810,676
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Issue date May 14, 1974
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3791699
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Patent number 3,791,699
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Issue date Feb 12, 1974
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3733105
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Patent number 3,733,105
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Issue date May 15, 1973
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3633973
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Patent number 3,633,973
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Issue date Jan 11, 1972
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B28 - WORKING CEMENT, CLAY, OR STONE
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3366420
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Patent number 3,366,420
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Issue date Jan 30, 1968
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B28 - WORKING CEMENT, CLAY, OR STONE
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3296748
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Patent number 3,296,748
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Issue date Jan 10, 1967
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3275048
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Patent number 3,275,048
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Issue date Sep 27, 1966
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3251628
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Patent number 3,251,628
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Issue date May 17, 1966
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3218935
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Patent number 3,218,935
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Issue date Nov 23, 1965
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3219388
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Patent number 3,219,388
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Issue date Nov 23, 1965
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1745100
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Patent number 1,745,100
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Issue date Jan 28, 1930
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1587949
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Patent number 1,587,949
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Issue date Jun 8, 1926
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1484944
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Patent number 1,484,944
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Issue date Feb 26, 1924
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B28 - WORKING CEMENT, CLAY, OR STONE