Invention Grant
- Patent Title: Tool holder
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Application No.: US41435920Application Date: 1920-10-02
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Publication No.: US1416832APublication Date: 1922-05-23
- Inventor: AUGUST JOHANSSON ERNST
- Applicant: AUGUST JOHANSSON ERNST
- Assignee: Johansson Ernst August
- Current Assignee: Johansson Ernst August
- Priority: US41435920 1920-10-02
- Main IPC: B23B29/14
- IPC: B23B29/14
Information query
