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公开(公告)号:US1841339A
公开(公告)日:1932-01-12
申请号:US20203727
申请日:1927-06-28
Applicant: HARTFORD EMPIRE CO
Inventor: SCHRODER JOHN E
CPC classification number: B65G15/48 , B65G15/54 , B65G2201/06
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公开(公告)号:US1707178A
公开(公告)日:1929-03-26
申请号:US26437328
申请日:1928-03-24
Applicant: HARTFORD EMPIRE CO
Inventor: SCHRODER JOHN E
IPC: C03B9/18
CPC classification number: C03B9/18
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公开(公告)号:US1766549A
公开(公告)日:1930-06-24
申请号:US23486927
申请日:1927-11-21
Applicant: HARTFORD EMPIRE CO
Inventor: SCHRODER JOHN E
IPC: C03B35/12
CPC classification number: C03B35/12
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公开(公告)号:US1835814A
公开(公告)日:1931-12-08
申请号:US28163528
申请日:1928-05-31
Applicant: HARTFORD EMPIRE CO
Inventor: SCHRODER JOHN E
IPC: C03B35/06
CPC classification number: C03B35/066
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公开(公告)号:US1815009A
公开(公告)日:1931-07-14
申请号:US23419727
申请日:1927-11-18
Applicant: HARTFORD EMPIRE CO
Inventor: LORENZ EDWARD H , SCHRODER JOHN E
IPC: C03B35/06
CPC classification number: C03B35/062
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公开(公告)号:US1808180A
公开(公告)日:1931-06-02
申请号:US21748927
申请日:1927-09-03
Applicant: HARTFORD EMPIRE CO
Inventor: SCHRODER JOHN E
IPC: C03B35/12
CPC classification number: C03B35/12
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公开(公告)号:US1783939A
公开(公告)日:1930-12-02
申请号:US22597627
申请日:1927-10-13
Applicant: HARTFORD EMPIRE CO
Inventor: SCHRODER JOHN E
IPC: C03B35/12
CPC classification number: C03B35/12
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