Invention Grant
- Patent Title: Compressor for filing devices
- Patent Title (中): 压缩机用于归档设备
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Application No.: US56698244Application Date: 1944-12-07
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Publication No.: US2484713APublication Date: 1949-10-11
- Inventor: JONES JAMES R
- Applicant: ART METAL CONSTRUCTION CO
- Assignee: Art Metal Construction Co
- Current Assignee: Art Metal Construction Co
- Priority: US56698244 1944-12-07
- Main IPC: B42F17/02
- IPC: B42F17/02
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