Invention Grant
- Patent Title: Operating means for sash adjusters
- Patent Title (中): 窗扇调节器的操作方式
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Application No.: US52286821Application Date: 1921-12-16
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Publication No.: US1452616APublication Date: 1923-04-24
- Inventor: LOUIS ROTH
- Applicant: STERLING BRONZE COMPANY
- Assignee: Sterling Bronze Company
- Current Assignee: Sterling Bronze Company
- Priority: US52286821 1921-12-16
- Main IPC: G05G1/12
- IPC: G05G1/12
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