Invention Grant
- Patent Title: Cutter for sound-reproducing styli.
- Patent Title (中): 切割机发声机。
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Application No.: US1912731955Application Date: 1912-11-18
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Publication No.: US1229469APublication Date: 1917-06-12
- Inventor: JOHNSON ELDRIDGE R
- Applicant: VICTOR TALKING MACHINE CO
- Assignee: Victor Talking Machine Co
- Current Assignee: Victor Talking Machine Co
- Priority: US1912731955 1912-11-18
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