Invention Grant
- Patent Title: Machine for sharpening tools
- Patent Title (中): 磨刀机
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Application No.: US21234451Application Date: 1951-02-23
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Publication No.: US2599639APublication Date: 1952-06-10
- Inventor: JOHNSON OLAF A
- Applicant: GLEASON WORKS
- Assignee: Gleason Works
- Current Assignee: Gleason Works
- Priority: US21234451 1951-02-23
- Main IPC: B24B3/34
- IPC: B24B3/34
Information query
