Invention Grant
- Patent Title: Exerciser mechanism
- Patent Title (中): 练习机制
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Application No.: US31585828Application Date: 1928-10-29
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Publication No.: US1837530APublication Date: 1931-12-22
- Inventor: COLE JAMES D
- Applicant: DOMESTIC ELECTRIC COMPANY
- Assignee: Domestic Electric Company
- Current Assignee: Domestic Electric Company
- Priority: US31585828 1928-10-29
- Main IPC: A61H11/02
- IPC: A61H11/02
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