Invention Grant
- Patent Title: Safety device for lap racks
- Patent Title (中): 圈架安全装置
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Application No.: US66172623Application Date: 1923-09-08
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Publication No.: US1541091APublication Date: 1925-06-09
- Inventor: ROBERT ALDRICH
- Applicant: ROBERT ALDRICH
- Assignee: Aldrich Robert
- Current Assignee: Aldrich Robert
- Priority: US66172623 1923-09-08
- Main IPC: D01G27/00
- IPC: D01G27/00
Information query
