Invention Grant
- Patent Title: Industrial railway track
- Patent Title (中): 工业铁路轨道
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Application No.: US35736629Application Date: 1929-04-23
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Publication No.: US1753327APublication Date: 1930-04-08
- Inventor: BALDWIN GEORGE D
- Applicant: BALDWIN GEORGE D
- Assignee: George D Baldwin
- Current Assignee: George D Baldwin
- Priority: US35736629 1929-04-23
- Main IPC: E01B23/02
- IPC: E01B23/02
Information query
