Invention Grant
- Patent Title: Musical instrument
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Application No.: US36897640Application Date: 1940-12-07
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Publication No.: US2250065APublication Date: 1941-07-22
- Inventor: KOCHL JAMES A
- Applicant: KOCHL JAMES A
- Assignee: James A Kochl
- Current Assignee: James A Kochl
- Priority: US36897640 1940-12-07
- Main IPC: G10C5/00
- IPC: G10C5/00
Information query
