Invention Grant
- Patent Title: Means for filing and handling large sheets
- Patent Title (中): 提交和处理大张纸的手段
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Application No.: US30946528Application Date: 1928-10-01
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Publication No.: US1749376APublication Date: 1930-03-04
- Inventor: DE LISLE HAROLD L
- Applicant: DE LISLE HAROLD L
- Assignee: Lisle Harold L De
- Current Assignee: Lisle Harold L De
- Priority: US30946528 1928-10-01
- Main IPC: B42F7/08
- IPC: B42F7/08
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