Invention Grant
- Patent Title: Variable leverage brake mechanism
- Patent Title (中): 可变杠杆制动机构
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Application No.: US37327429Application Date: 1929-06-24
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Publication No.: US1885551APublication Date: 1932-11-01
- Inventor: SAWTELLE CHARLES A
- Applicant: S AND D ENGINEERING COMPANY
- Assignee: S And D Engineering Company
- Current Assignee: S And D Engineering Company
- Priority: US37327429 1929-06-24
- Main IPC: B60T11/08
- IPC: B60T11/08
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