Invention Grant
- Patent Title: Automatic nail-clamp attachment for hammers
- Patent Title (中): 锤子自动钉夹附件
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Application No.: US16959027Application Date: 1927-02-19
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Publication No.: US1662703APublication Date: 1928-03-13
- Inventor: ANTON HELFRICH
- Applicant: ANTON HELFRICH
- Assignee: Helfrich Anton
- Current Assignee: Helfrich Anton
- Priority: US16959027 1927-02-19
- Main IPC: B25D1/04
- IPC: B25D1/04
Public/Granted literature
- US11575145B2 Hexagonal column-shaped battery cell, manufacturing method therefor, and battery module comprising same Public/Granted day:2023-02-07
Information query
