Invention Grant
- Patent Title: Metallic sleeper for mechanical toy train-tracks.
- Patent Title (中): 机械玩具火车轨道金属洗手机
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Application No.: US14171417Application Date: 1917-01-10
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Publication No.: US1237720APublication Date: 1917-08-21
- Inventor: STACK JOHN
- Applicant: STACK JOHN
- Assignee: John Stack
- Current Assignee: John Stack
- Priority: US14171417 1917-01-10
Public/Granted literature
- US09203185B1 Security loop cable Public/Granted day:2015-12-01
Information query
