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公开(公告)号:US2451973A
公开(公告)日:1948-10-19
申请号:US57525745
申请日:1945-01-30
Applicant: WINGFOOT CORP
Inventor: PURDY JOHN F
IPC: B60C9/06
CPC classification number: B60C9/06 , Y10T156/1075
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公开(公告)号:US2432630A
公开(公告)日:1947-12-16
申请号:US45408642
申请日:1942-08-08
Applicant: WINGFOOT CORP
Inventor: PURDY JOHN F
IPC: B60C9/06
CPC classification number: B60C9/06
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