Invention Grant
- Patent Title: Mining machine having digging arms with impact means
- Patent Title (中): 挖掘机具有冲击装置的挖掘臂
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Application No.: US16550650Application Date: 1950-06-01
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Publication No.: US2677537APublication Date: 1954-05-04
- Inventor: FRANK CARTLIDGE
- Applicant: GOODMAN MFG CO
- Assignee: Goodman Mfg Co
- Current Assignee: Goodman Mfg Co
- Priority: US16550650 1950-06-01
- Main IPC: E21C27/30
- IPC: E21C27/30
Public/Granted literature
- US10897995B2 Pivot-over-arm reclining mechanism for a seating unit and modular seating unit connection system Public/Granted day:2021-01-26
Information query
