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Blow back rudder for a water craft
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Patent number 6,086,437
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Issue date Jul 11, 2000
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Murray Industries, Inc.
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Robert W. Murray
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Manoeuvring device for boats
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Patent number 4,895,093
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Issue date Jan 23, 1990
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Ola K. Dalsbo
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Braking rudder device
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Patent number 4,278,040
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Issue date Jul 14, 1981
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Politechnika Gdanska
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Jerzy Doerffer
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Dual rudder assembly
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Patent number 4,085,694
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Issue date Apr 25, 1978
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Werftunion G.m.b.H. & Co.
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Karl Schilling
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3730127
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Patent number 3,730,127
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Issue date May 1, 1973
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3581699
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Patent number 3,581,699
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Issue date Jun 1, 1971
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3101693
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Patent number 3,101,693
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Issue date Aug 27, 1963
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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2916005
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Patent number 2,916,005
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Issue date Dec 8, 1959
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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2544642
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Patent number 2,544,642
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Issue date Mar 13, 1951
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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1611564
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Patent number 1,611,564
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Issue date Dec 21, 1926
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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1574718
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Patent number 1,574,718
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Issue date Feb 23, 1926
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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1572812
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Patent number 1,572,812
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Issue date Feb 9, 1926
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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1553090
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Patent number 1,553,090
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Issue date Sep 8, 1925
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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1526238
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Patent number 1,526,238
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Issue date Feb 10, 1925
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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1526239
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Patent number 1,526,239
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Issue date Feb 10, 1925
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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1511146
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Patent number 1,511,146
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Issue date Oct 7, 1924
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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1500584
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Patent number 1,500,584
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Issue date Jul 8, 1924
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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1449803
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Patent number 1,449,803
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Issue date Mar 27, 1923
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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1415705
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Patent number 1,415,705
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Issue date May 9, 1922
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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1402080
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Patent number 1,402,080
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Issue date Jan 3, 1922
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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1344518
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Patent number 1,344,518
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Issue date Jun 22, 1920
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT