Invention Grant
- Patent Title: Upward acting door with cable actuating mechanism
- Patent Title (中): 带电缆启动机构的向上作动门
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Application No.: US21539338Application Date: 1938-06-23
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Publication No.: US2201635APublication Date: 1940-05-21
- Inventor: SIESS HENRY J , CASSE JOSEPH E
- Applicant: CRAWFORD DOOR CO
- Assignee: Crawford Door Co
- Current Assignee: Crawford Door Co
- Priority: US21539338 1938-06-23
- Main IPC: E05D15/42
- IPC: E05D15/42 ; E05F11/04
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