Invention Grant
- Patent Title: Door operating mechanism
- Patent Title (中): 门操作机构
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Application No.: US47243743Application Date: 1943-01-15
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Publication No.: US2372648APublication Date: 1945-04-03
- Inventor: LEON BESKIN
- Applicant: INGALLS IRON WORKS COMPANY
- Assignee: Ingalls Iron Works Company
- Current Assignee: Ingalls Iron Works Company
- Priority: US47243743 1943-01-15
- Main IPC: E05F15/10
- IPC: E05F15/10 ; E05F15/14
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