Invention Grant
- Patent Title: Automatic spring-tension feed.
- Patent Title (中): 自动弹簧喂料。
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Application No.: US1908468863Application Date: 1908-12-22
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Publication No.: US926508APublication Date: 1909-06-29
- Inventor: PATERSON WILLIAM
- Applicant: PATERSON WILLIAM
- Assignee: William Paterson
- Current Assignee: William Paterson
- Priority: US1908468863 1908-12-22
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