Invention Grant
- Patent Title: Filing device
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Application No.: US68046933Application Date: 1933-07-14
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Publication No.: US1992694APublication Date: 1935-02-26
- Inventor: FIELD JAMES H
- Applicant: FIELD JAMES H
- Assignee: James H Field
- Current Assignee: James H Field
- Priority: US68046933 1933-07-14
- Main IPC: B42F17/02
- IPC: B42F17/02
Information query
