Invention Grant
- Patent Title: Temperature-controlling device.
- Patent Title (中): 温度控制装置。
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Application No.: US1905288255Application Date: 1905-11-20
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Publication No.: US933577APublication Date: 1909-09-07
- Inventor: PENNIMAN WILLIAM B D
- Applicant: PENNIMAN WILLIAM B D
- Assignee: William B D Penniman
- Current Assignee: William B D Penniman
- Priority: US1905288255 1905-11-20
Information query
