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公开(公告)号:US1366575A
公开(公告)日:1921-01-25
申请号:US34469219
申请日:1919-12-13
Applicant: MCDONALD JOHN J
Inventor: MCDONALD JOHN J
IPC: B23D63/10
CPC classification number: B23D63/10
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公开(公告)号:US878660A
公开(公告)日:1908-02-11
申请号:US1907371192
申请日:1907-04-30
Applicant: MCDONALD JOHN J
Inventor: MCDONALD JOHN J
CPC classification number: A47L13/60
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公开(公告)号:US738348A
公开(公告)日:1903-09-08
申请号:US1903158582
申请日:1903-05-25
Applicant: MCDONALD JOHN J
Inventor: MCDONALD JOHN J
CPC classification number: B66D1/26
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公开(公告)号:US633211A
公开(公告)日:1899-09-19
申请号:US1898674675
申请日:1898-03-21
Applicant: MCDONALD JOHN J
Inventor: MCDONALD JOHN J
CPC classification number: A47J17/02
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