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公开(公告)号：US1002025A
公开(公告)日：1911-08-29
申请号：US1910583799
申请日：1910-09-26
Applicant: CORNELIUS E PIPER , BERRY LEVI H
Inventor： BERRY LEVI H
CPC classification number: F02M31/18
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公开(公告)号：US1784924A
公开(公告)日：1930-12-16
申请号：US26246928
申请日：1928-03-17
Applicant: BERRY LEVI H
Inventor： BERRY LEVI H
IPC: F02M31/093 , F02M63/00
CPC classification number: F02M31/093 , F02M63/00 , F02M2700/05 , Y02T10/126
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