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公开(公告)号:US634149A
公开(公告)日:1899-10-03
申请号:US1898676427
申请日:1898-04-04
Applicant: WILLIAM H HERRICK , SEMELROTH WILLIAM J
Inventor: SEMELROTH WILLIAM J
CPC classification number: B43L1/08
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公开(公告)号:US1590554A
公开(公告)日:1926-06-29
申请号:US75698624
申请日:1924-12-19
Applicant: SEMELROTH WILLIAM J
Inventor: SEMELROTH WILLIAM J
IPC: B27B21/08
CPC classification number: B27B21/08
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