Invention Grant
- Patent Title: Frictional floating mechanism for door mounting and retaining and the like
- Patent Title (中): 用于门安装和保持的摩擦浮动机构等
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Application No.: US15620550Application Date: 1950-04-15
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Publication No.: US2681245APublication Date: 1954-06-15
- Inventor: ACKERMANS JOHN W J
- Applicant: ACKERMANS JOHN W J
- Assignee: John W J Ackermans
- Current Assignee: John W J Ackermans
- Priority: US15620550 1950-04-15
- Main IPC: B60J5/04
- IPC: B60J5/04 ; E05B15/02
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