Invention Grant
- Patent Title: Ice-brake for sleds.
- Patent Title (中): 冰刹制动器。
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Application No.: US1912684677Application Date: 1912-03-19
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Publication No.: US1035650APublication Date: 1912-08-13
- Inventor: STENGEL CHARLES W , WITCHEL EVAN T
- Applicant: STENGEL CHARLES W , WITCHEL EVAN T
- Assignee: Charles W Stengel,Evan T Witchel
- Current Assignee: Charles W Stengel,Evan T Witchel
- Priority: US1912684677 1912-03-19
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