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公开(公告)号:US1834397A
公开(公告)日:1931-12-01
申请号:US50232230
申请日:1930-12-15
Applicant: HAMPTON LEON N
Inventor: HAMPTON LEON N
IPC: B63H16/20
CPC classification number: B63H16/20 , B63H16/14 , B63H16/18 , B63H2016/085 , B63H2016/185 , Y10T74/1532 , Y10T74/19493
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公开(公告)号:US1489349A
公开(公告)日:1924-04-08
申请号:US42032620
申请日:1920-10-28
Applicant: HAMPTON LEON N
Inventor: HAMPTON LEON N
IPC: F16J3/02
CPC classification number: F16J3/02
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公开(公告)号:US1489348A
公开(公告)日:1924-04-08
申请号:US36030320
申请日:1920-02-21
Applicant: HAMPTON LEON N
Inventor: HAMPTON LEON N
IPC: F02M1/00
CPC classification number: F02M1/00 , F02M2700/439
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公开(公告)号:US1384561A
公开(公告)日:1921-07-12
申请号:US41300820
申请日:1920-09-27
Applicant: HAMPTON LEON N
Inventor: HAMPTON LEON N
IPC: E05B67/00
CPC classification number: E05B67/003 , Y10T70/483 , Y10T70/491
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公开(公告)号:US1885714A
公开(公告)日:1932-11-01
申请号:US24506928
申请日:1928-01-07
Applicant: HAMPTON LEON N
Inventor: HAMPTON LEON N
IPC: H01H61/06
CPC classification number: H01H61/063
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