Invention Grant
- Patent Title: Therapeutic exercise chair
- Patent Title (中): 治疗运动椅
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Application No.: US85308959Application Date: 1959-11-16
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Publication No.: US3072400APublication Date: 1963-01-08
- Inventor: DYKINGA DONALD L
- Applicant: DYKINGA DONALD L
- Assignee: Donald L Dykinga
- Current Assignee: Donald L Dykinga
- Priority: US85308959 1959-11-16
- Main IPC: A61H1/02
- IPC: A61H1/02 ; A63B21/00 ; A63B21/06 ; A63B23/00
Information query
