Invention Grant
- Patent Title: Railway-switch.
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Application No.: US1905271500Application Date: 1905-07-27
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Publication No.: US811738APublication Date: 1906-02-06
- Inventor: PARSONS LOUIS R
- Applicant: PARSONS LOUIS R
- Assignee: Louis R Parsons
- Current Assignee: Louis R Parsons
- Priority: US1905271500 1905-07-27
Information query
