Invention Grant
- Patent Title: Oiling attachment for hinges
- Patent Title (中): 铰链附件
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Application No.: US50397555Application Date: 1955-04-26
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Publication No.: US2750620APublication Date: 1956-06-19
- Inventor: WILLIAM CLARKE
- Applicant: WILLIAM CLARKE
- Assignee: Clarke William
- Current Assignee: Clarke William
- Priority: US50397555 1955-04-26
- Main IPC: E05D11/02
- IPC: E05D11/02
Information query
