Rechargeable battery unit for a watercraft | Patent Number 09774019
US 09774019 B2Filled DateDec 23, 2013
Priority DateDec 23, 2013
Publication DateNov 26, 2015
Expiration DateDec 22, 2033
Inventor/ApplicantsHans Peter Walpurgis
ExaminesLEWIS, BEN
Art Unit1726
Technology Center1700
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