Invention Grant
- Patent Title: Sound picture projector
- Patent Title (中): 声卡投影机
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Application No.: US65831833Application Date: 1933-02-24
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Publication No.: US2023581APublication Date: 1935-12-10
- Inventor: GLUNT OMER M
- Applicant: BELL TELEPHONE LABOR INC
- Assignee: Nokia Bell Labs
- Current Assignee: Nokia Bell Labs
- Priority: US65831833 1933-02-24
- Main IPC: G03B31/00
- IPC: G03B31/00
Information query
