Invention Grant
- Patent Title: Speed-controlling device.
- Patent Title (中): 速度控制装置。
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Application No.: US1908408995Application Date: 1908-01-02
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Publication No.: US927159APublication Date: 1909-07-06
- Inventor: PALMER CHARLES E
- Applicant: CALVIN L SIMMONS , PALMER CHARLES E
- Assignee: Calvin L Simmons,Charles E Palmer
- Current Assignee: Calvin L Simmons,Charles E Palmer
- Priority: US1908408995 1908-01-02
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