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公开(公告)号：US1674848A
公开(公告)日：1928-06-26
申请号：US9650726
申请日：1926-03-22
Applicant: EASTERN MFG COMPANY
Inventor： WEBB STUART W , CALLAN JOHN G , ALBERT ALLEN
IPC: D21G1/00
CPC classification number: D21G1/0093
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公开(公告)号：US1669885A
公开(公告)日：1928-05-15
申请号：US10512426
申请日：1926-04-28
Applicant: EASTERN MFG COMPANY
Inventor： WEBB STUART W , ALBERT ALLEN
IPC: D21F1/44
CPC classification number: D21F1/44
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公开(公告)号：US1804483A
公开(公告)日：1931-05-12
申请号：US20308527
申请日：1927-07-02
Applicant: EASTERN MFG COMPANY
Inventor： WEBB STUART W , CALLAN JOHN G , ALBERT ALLEN
IPC: D21G1/00
CPC classification number: D21G1/0093
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公开(公告)号：US1575518A
公开(公告)日：1926-03-02
申请号：US7028425
申请日：1925-11-20
Applicant: EASTERN MFG COMPANY
Inventor： ALBERT ALLEN
IPC: D21F1/44
CPC classification number: D21F1/44
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