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Rapper device
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Patent number 8,656,567
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Issue date Feb 25, 2014
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Shell Oil Company
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Alfons Heitmann
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B08 - CLEANING
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Rapper device
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Patent number 8,621,732
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Issue date Jan 7, 2014
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Shell Oil Company
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Alfons Heitmann
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B08 - CLEANING
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Pipe cleaning tool
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Patent number 5,809,603
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Issue date Sep 22, 1998
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James C. White
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B08 - CLEANING
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Pipe joint cleaner
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Patent number 5,363,530
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Issue date Nov 15, 1994
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Jeffery D. Dunn
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B08 - CLEANING
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Water main scraper
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Patent number 4,912,799
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Issue date Apr 3, 1990
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Lewis E. Coleman
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B08 - CLEANING
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Sleeve assembly
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Patent number 4,198,789
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Issue date Apr 22, 1980
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The Texacone Company
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John H. Wheeler
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B24 - GRINDING POLISHING
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Sanding sleeve assembly
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Patent number 4,179,856
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Issue date Dec 25, 1979
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The Texacone Company
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John H. Wheeler
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B24 - GRINDING POLISHING
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Sleeve assembly
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Patent number 4,123,990
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Issue date Nov 7, 1978
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The Texacone Company
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John H. Wheeler
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B24 - GRINDING POLISHING
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Sleeve assembly
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Patent number 4,089,137
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Issue date May 16, 1978
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The Texacone Company
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John H. Wheeler
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B24 - GRINDING POLISHING
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3820184
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Patent number 3,820,184
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Issue date Jun 28, 1974
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B08 - CLEANING
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3763510
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Patent number 3,763,510
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Issue date Oct 9, 1973
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3605156
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Patent number 3,605,156
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Issue date Sep 20, 1971
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B60 - VEHICLES IN GENERAL
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3331114
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Patent number 3,331,114
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Issue date Jul 18, 1967
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F28 - HEAT EXCHANGE IN GENERAL
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3214824
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Patent number 3,214,824
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Issue date Nov 2, 1965
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3104409
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Patent number 3,104,409
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Issue date Sep 24, 1963
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F28 - HEAT EXCHANGE IN GENERAL
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3018700
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Patent number 3,018,700
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Issue date Jan 30, 1962
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2996789
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Patent number 2,996,789
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Issue date Aug 22, 1961
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2925610
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Patent number 2,925,610
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Issue date Feb 23, 1960
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2860372
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Patent number 2,860,372
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Issue date Nov 18, 1958
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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2641008
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Patent number 2,641,008
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Issue date Jun 9, 1953
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B08 - CLEANING
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2616108
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Patent number 2,616,108
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Issue date Nov 4, 1952
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR