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公开(公告)号：US1396589A
公开(公告)日：1921-11-08
申请号：US45660721
申请日：1921-03-29
Applicant: PEACE FREDERICK C
Inventor： PEACE FREDERICK C
IPC: B60B25/14
CPC classification number: B60B25/14
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公开(公告)号：US1544597A
公开(公告)日：1925-07-07
申请号：US59402422
申请日：1922-10-12
Applicant: PEACE FREDERICK C
Inventor： PEACE FREDERICK C
IPC: B60B25/04
CPC classification number: B60B25/04
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