Invention Grant
- Patent Title: Time indicator or marker for timepieces.
- Patent Title (中): 时间指示器或标记。
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Application No.: US1910586919Application Date: 1910-10-13
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Publication No.: US998312APublication Date: 1911-07-18
- Inventor: WHITNEY FRANK
- Applicant: WHITNEY FRANK
- Assignee: Frank Whitney
- Current Assignee: Frank Whitney
- Priority: US1910586919 1910-10-13
- Main IPC: G04B19/28
- IPC: G04B19/28
Information query
