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公开(公告)号：US1622614A
公开(公告)日：1927-03-29
申请号：US14502326
申请日：1926-10-29
Applicant: STAMOS HARRY N , STAMOS ALEXANDER N , BROWN THOMAS W
Inventor： STAMOS HARRY N , STAMOS ALEXANDER N , BROWN THOMAS W
IPC: E01B11/54
CPC classification number: E01B11/54
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公开(公告)号：US1622613A
公开(公告)日：1927-03-29
申请号：US14001826
申请日：1926-10-07
Applicant: STAMOS HARRY N , STAMOS ALEXANDER N , BROWN THOMAS W
Inventor： STAMOS HARRY N , STAMOS ALEXANDER N , BROWN THOMAS W
IPC: E01B13/02
CPC classification number: E01B13/02 , E01B2201/08 , E01B2201/10
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