Invention Grant
- Patent Title: Elevator-car lock.
- Patent Title (中): 电梯车锁。
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Application No.: US1906331984Application Date: 1906-08-25
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Publication No.: US858552APublication Date: 1907-07-02
- Inventor: WOOD WALTER W
- Applicant: WOOD WALTER W
- Assignee: Walter W Wood
- Current Assignee: Walter W Wood
- Priority: US1906331984 1906-08-25
Information query
