Invention Grant
- Patent Title: Self-closing hinge.
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Application No.: US1910575695Application Date: 1910-08-05
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Publication No.: US996411APublication Date: 1911-06-27
- Inventor: HUBERT GUSTAV
- Applicant: HUBERT GUSTAV
- Assignee: Gustav Hubert
- Current Assignee: Gustav Hubert
- Priority: US1910575695 1910-08-05
Information query
