Invention Grant
- Patent Title: Spring-hinge.
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Application No.: US1905248127Application Date: 1905-03-02
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Publication No.: US822911APublication Date: 1906-06-12
- Inventor: BOMMER EMIL
- Applicant: BOMMER EMIL
- Assignee: Emil Bommer
- Current Assignee: Emil Bommer
- Priority: US1905248127 1905-03-02
Information query
