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Underwater cleaner
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Patent number 10,184,259
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Issue date Jan 22, 2019
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Andrés Fränkel
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E04 - BUILDING
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Cleaning pole sleeve
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Patent number 9,725,143
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Issue date Aug 8, 2017
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Shurhold Industries, Inc.
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Kaj Zingo Smith
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Marine cleaning system
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Patent number 9,550,552
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Issue date Jan 24, 2017
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GRD FRANMARINE HOLDINGS PTY LTD
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Roger Wayne Richard Dyhrberg
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Cleaning pole sleeve
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Patent number 9,003,592
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Issue date Apr 14, 2015
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Kaj Zingo Smith
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Knuckle
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Patent number 6,848,384
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Issue date Feb 1, 2005
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John Andrew Higgins
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Cleaning means
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Patent number 6,263,821
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Issue date Jul 24, 2001
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James Nelson Hodder
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B08 - CLEANING
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Boat bottom scrubbing device
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Patent number 5,505,154
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Issue date Apr 9, 1996
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Lawrence J. Urie
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Boat bottom flotation scrubber
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Patent number 5,209,176
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Issue date May 11, 1993
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Walter Pompei
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Boat bottom flotation scrubber
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Patent number 5,105,752
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Issue date Apr 21, 1992
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Walter Pompei
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Boat bottom cleaning device
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Patent number 4,991,533
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Issue date Feb 12, 1991
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Charles Sterling
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Boat hull cleaning device
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Patent number 4,648,344
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Issue date Mar 10, 1987
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John Burgers
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Cleaning implement for boats
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Patent number 4,407,213
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Issue date Oct 4, 1983
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Peter R. Evans
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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3010420
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Patent number 3,010,420
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Issue date Nov 28, 1961
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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2720858
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Patent number 2,720,858
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Issue date Oct 18, 1955
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT