Invention Grant
- Patent Title: Electric bell.
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Application No.: US1905293207Application Date: 1905-12-26
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Publication No.: US837672APublication Date: 1906-12-04
- Inventor: EDEN HAROLD W
- Applicant: P R MFG COMPANY
- Assignee: P R Mfg Company
- Current Assignee: P R Mfg Company
- Priority: US1905293207 1905-12-26
Information query
