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公开(公告)号:US1611280A
公开(公告)日:1926-12-21
申请号:US5712425
申请日:1925-09-18
Applicant: ROSKAMP JOHN K
Inventor: ROSKAMP JOHN K
IPC: B02B3/02
CPC classification number: B02B3/02
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公开(公告)号:US2999449A
公开(公告)日:1961-09-12
申请号:US4996960
申请日:1960-08-16
Applicant: ROSKAMP JOHN K
Inventor: ROSKAMP JOHN K
IPC: A23N17/02
CPC classification number: A23N17/02
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公开(公告)号:US2633072A
公开(公告)日:1953-03-31
申请号:US18721350
申请日:1950-09-28
Applicant: ROSKAMP JOHN K
Inventor: ROSKAMP JOHN K
IPC: B02B3/08
CPC classification number: B02B3/08
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公开(公告)号:US2995096A
公开(公告)日:1961-08-08
申请号:US83976059
申请日:1959-09-14
Applicant: ROSKAMP JOHN K
Inventor: ROSKAMP JOHN K
IPC: B30B11/20
CPC classification number: B30B11/201
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公开(公告)号:US1602940A
公开(公告)日:1926-10-12
申请号:US10493526
申请日:1926-04-27
Applicant: ROSKAMP JOHN K
Inventor: ROSKAMP JOHN K
IPC: B02B3/00
CPC classification number: B02B3/00
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