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公开(公告)号:US2293111A
公开(公告)日:1942-08-18
申请号:US28772639
申请日:1939-08-01
Applicant: CAMPBELL THOMAS P , JACOBSEN WILLIAM B
Inventor: CAMPBELL THOMAS P , JACOBSEN WILLIAM B
IPC: B03D1/02
CPC classification number: B03D1/02
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公开(公告)号:US2417101A
公开(公告)日:1947-03-11
申请号:US46955942
申请日:1942-12-19
Applicant: CAMPBELL THOMAS P
Inventor: CAMPBELL THOMAS P
CPC classification number: C21C5/36 , C22B34/1204 , Y10S75/958
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公开(公告)号:US1696188A
公开(公告)日:1928-12-25
申请号:US19280427
申请日:1927-05-19
Applicant: CAMPBELL THOMAS P
Inventor: CAMPBELL THOMAS P
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公开(公告)号:US1587695A
公开(公告)日:1926-06-08
申请号:US5502225
申请日:1925-09-08
Applicant: CAMPBELL THOMAS P
Inventor: CAMPBELL THOMAS P
IPC: C01G9/06
CPC classification number: C01G9/06
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公开(公告)号:US2366177A
公开(公告)日:1945-01-02
申请号:US41929541
申请日:1941-11-15
Applicant: CAMPBELL THOMAS P
Inventor: CAMPBELL THOMAS P
CPC classification number: C21C5/06 , C22B34/1209 , Y10S75/958
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公开(公告)号:US1601938A
公开(公告)日:1926-10-05
申请号:US8857126
申请日:1926-02-16
Applicant: CAMPBELL THOMAS P
Inventor: CAMPBELL THOMAS P
IPC: C01G9/00
CPC classification number: C01G9/00
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公开(公告)号:US2175178A
公开(公告)日:1939-10-10
申请号:US4785235
申请日:1935-11-01
Applicant: CAMPBELL THOMAS P , JACOBSEN WILLIAM B
Inventor: CAMPBELL THOMAS P , JACOBSEN WILLIAM B
IPC: B03D1/02
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