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公开(公告)号:US641849A
公开(公告)日:1900-01-23
申请号:US1899719927
申请日:1899-06-09
Applicant: CHARLES A CHASE , DOTY ELLSWORTH P
Inventor: DOTY ELLSWORTH P
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公开(公告)号:US865023A
公开(公告)日:1907-09-03
申请号:US1906349395
申请日:1906-12-26
Applicant: DOTY ELLSWORTH P
Inventor: DOTY ELLSWORTH P
CPC classification number: F23L17/02 , Y10S122/06
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公开(公告)号:US722499A
公开(公告)日:1903-03-10
申请号:US1902126559
申请日:1902-10-09
Applicant: DOTY ELLSWORTH P
Inventor: DOTY ELLSWORTH P
CPC classification number: E06B9/52
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