Invention Grant
- Patent Title: Disinfecting apparatus for water-closets.
- Patent Title (中): 消毒装置用于水封闭。
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Application No.: US1898670215Application Date: 1898-02-14
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Publication No.: US641238APublication Date: 1900-01-09
- Inventor: RUTHVEN WILLIAM
- Applicant: RUTHVEN WILLIAM
- Assignee: William Ruthven
- Current Assignee: William Ruthven
- Priority: US1898670215 1898-02-14
Information query
