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公开(公告)号：US1495757A
公开(公告)日：1924-05-27
申请号：US62060723
申请日：1923-02-23
Applicant: MATHESON ROBERT A
Inventor： MATHESON ROBERT A
IPC: A61G17/00
CPC classification number: A61G17/00
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公开(公告)号：US684997A
公开(公告)日：1901-10-22
申请号：US1900041179
申请日：1900-12-26
Applicant: MATHESON ROBERT A
Inventor： MATHESON ROBERT A
CPC classification number: B62K2201/04
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