Invention Grant
- Patent Title: Insulated rail-joint.
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Application No.: US1906339959Application Date: 1906-10-22
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Publication No.: US847937APublication Date: 1907-03-19
- Inventor: HALL GEORGE L
- Applicant: NAT RAILWAY MATERIALS COMPANY
- Assignee: Nat Railway Materials Company
- Current Assignee: Nat Railway Materials Company
- Priority: US1906339959 1906-10-22
Information query
