Invention Grant
- Patent Title: Conveyor belt idler
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Application No.: US63239357Application Date: 1957-01-03
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Publication No.: US2869716APublication Date: 1959-01-20
- Inventor: VIDMAR JOHN P
- Applicant: HANNA MINING CO
- Assignee: Hanna Mining Co
- Current Assignee: Hanna Mining Co
- Priority: US63239357 1957-01-03
- Main IPC: B65G39/073
- IPC: B65G39/073
Information query
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