US Patent D638523 Seal ring for stern tube
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Patent Inventor Names
Hisashi Yoshida0
Minoru Takayasu0
Motofumi Inaba0
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US Patent D0638523 Seal ring for stern tube US Patent D638523 Seal ring for stern tube
Infobox
Patent Number
D063852300
Patent Number
D63852300
Edits on 26 Mar, 2023
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Infobox
Is a
Patent Jurisdiction
Patent Number
D06385230
Date of Patent
May 24, 2011
0Patent Application Number
293661310
Date Filed
July 20, 2010
0Patent Primary Examiner
Edits on 27 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
D06385230
Date of Patent
May 24, 2011
0Patent Application Number
293661310
Date Filed
July 20, 2010
0Patent Primary Examiner
Edits on 7 Dec, 2021
Golden AI
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US Patent D0638523 Seal ring for stern tube
Infobox
Is a
Patent jurisdiction
Patent number
D0638523
Date of patent
May 24, 2011
Patent application number
29366131
Date Filed
July 20, 2010
Patent primary examiner
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