Invention Grant
- Patent Title: Closure for steel drums
- Patent Title (中): 钢桶关闭
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Application No.: US70333833Application Date: 1933-12-21
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Publication No.: US2091294APublication Date: 1937-08-31
- Inventor: EVOR WILLIAMS , THOMAS DAVID W
- Applicant: NILES STEEL PRODUCTS COMPANY
- Assignee: Niles Steel Products Company
- Current Assignee: Niles Steel Products Company
- Priority: US70333833 1933-12-21
- Main IPC: B65D45/34
- IPC: B65D45/34
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