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1389988
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Patent Grant
1389988
References
Source
Patent Number
1,389,988
Date Filed
Not available
Date Issued
Tuesday, September 6, 1921
103 years ago
CPC
B63H16/04 - Oars Sculls Paddles Poles
B63H2016/043 - Stop sleeves or collars for positioning oars in rowlocks
US Classifications
440 - Marine propulsion
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