Invention Grant
- Patent Title: Braking mechanism.
- Patent Title (中): 制动机构。
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Application No.: US1903145753Application Date: 1903-03-02
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Publication No.: US754327APublication Date: 1904-03-08
- Inventor: MAHANA JOHN B
- Applicant: MAHANA JOHN B
- Assignee: John B Mahana
- Current Assignee: John B Mahana
- Priority: US1903145753 1903-03-02
Information query
