Invention Grant
- Patent Title: Agitating apparatus for the supply hoppers of plastic-concrete pumps
- Patent Title (中): 塑料混凝土泵供料斗搅拌装置
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Application No.: US18542238Application Date: 1938-01-17
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Publication No.: US2228898APublication Date: 1941-01-14
- Inventor: BALL CHARLES F
- Applicant: CHAIN BELT CO
- Assignee: Chain Belt Co
- Current Assignee: Chain Belt Co
- Priority: US18542238 1938-01-17
- Main IPC: B28C7/06
- IPC: B28C7/06
Public/Granted literature
- US20240149839A1 RETRACTABLE WINDSHIELD DEICER Public/Granted day:2024-05-09
Information query
