Invention Grant
- Patent Title: Door fastening device
- Patent Title (中): 门扣装置
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Application No.: US53481531Application Date: 1931-05-04
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Publication No.: US1952112APublication Date: 1934-03-27
- Inventor: BARTSCH HERBERT E
- Applicant: UNIVERSAL DRAFT GEAR ATTACHMEN
- Assignee: Universal Draft Gear Attachmen
- Current Assignee: Universal Draft Gear Attachmen
- Priority: US53481531 1931-05-04
- Main IPC: E05B65/16
- IPC: E05B65/16
Information query
