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公开(公告)号:US1788901A
公开(公告)日:1931-01-13
申请号:US34741929
申请日:1929-03-15
Applicant: WILSON LOYAL V
Inventor: WILSON LOYAL V
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公开(公告)号:US3036833A
公开(公告)日:1962-05-29
申请号:US26260
申请日:1960-01-04
Applicant: WILSON LOYAL V
Inventor: WILSON LOYAL V
IPC: A63F9/02
CPC classification number: A63F9/0204
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