Invention Grant
- Patent Title: Pencil flash light magnet
- Patent Title (中): 铅笔闪光灯磁铁
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Application No.: US74299434Application Date: 1934-09-06
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Publication No.: US1997231APublication Date: 1935-04-09
- Inventor: PLUTINO NICOLA C
- Applicant: PLUTINO NICOLA C
- Assignee: Nicola C Plutino
- Current Assignee: Nicola C Plutino
- Priority: US74299434 1934-09-06
- Main IPC: H01F7/20
- IPC: H01F7/20
Information query
