Invention Grant
- Patent Title: Drawing traverse
- Patent Title (中): 绘图横移
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Application No.: US28310939Application Date: 1939-07-06
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Publication No.: US2184717APublication Date: 1939-12-26
- Inventor: FRANKLIN LEE WILLIAM
- Applicant: FRANKLIN LEE WILLIAM
- Assignee: Lee William Franklin
- Current Assignee: Lee William Franklin
- Priority: US28310939 1939-07-06
- Main IPC: D01H13/06
- IPC: D01H13/06
Information query
