Invention Grant
- Patent Title: Street-sweeper.
- Patent Title (中): 街上打扫的工人。
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Application No.: US1906312713Application Date: 1906-04-19
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Publication No.: US1036804APublication Date: 1912-08-27
- Inventor: CURTIS JOHN D
- Applicant: RICHARDSON MFG COMPANY
- Assignee: Richardson Mfg Company
- Current Assignee: Richardson Mfg Company
- Priority: US1906312713 1906-04-19
Information query
