Invention Grant
- Patent Title: Machine for making laminated pinions
- Patent Title (中): 制造层叠小齿轮的机器
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Application No.: US19101638Application Date: 1938-02-17
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Publication No.: US2202693APublication Date: 1940-05-28
- Inventor: HANSEN WILLIAM L , HURST IRA N
- Applicant: HANSEN MFG COMPANY INC
- Assignee: Hansen Mfg Company Inc
- Current Assignee: Hansen Mfg Company Inc
- Priority: US19101638 1938-02-17
- Main IPC: B21D28/02
- IPC: B21D28/02 ; B23D27/00
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