Invention Grant
- Patent Title: Ship's progress-indicator.
- Patent Title (中): 船舶进步指标
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Application No.: US1905336189Application Date: 1905-07-18
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Publication No.: US836724APublication Date: 1906-11-27
- Inventor: WHITTLE THOMAS , CUMMING WILLIAM
- Applicant: WHITTLE THOMAS
- Assignee: Thomas Whittle
- Current Assignee: Thomas Whittle
- Priority: US1905336189 1905-07-18
Information query
