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公开(公告)号：US2395756A
公开(公告)日：1946-02-26
申请号：US50816643
申请日：1943-10-29
Applicant: CHAUNCEY PARSONS GEORGE
Inventor： CHAUNCEY PARSONS GEORGE
CPC classification number: B63B45/00 , B63B45/06 , B63B2201/08 , F21V3/00
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公开(公告)号：US2162822A
公开(公告)日：1939-06-20
申请号：US21532538
申请日：1938-06-23
Applicant: CHAUNCEY PARSONS GEORGE
Inventor： CHAUNCEY PARSONS GEORGE
IPC: B63B3/00
CPC classification number: B63B3/26 , B63B2001/201 , B63B2221/02 , Y10T29/49879
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