Invention Grant
- Patent Title: Screw-feeding device
- Patent Title (中): 螺旋给料装置
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Application No.: US26951019Application Date: 1919-01-03
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Publication No.: US1463338APublication Date: 1923-07-31
- Inventor: SCHROEDER SIMON E
- Applicant: SCHROEDER SIMON E
- Assignee: Simon E Schroeder
- Current Assignee: Simon E Schroeder
- Priority: US26951019 1919-01-03
- Main IPC: B65G47/14
- IPC: B65G47/14
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