Invention Grant
- Patent Title: Closure operating mechanism and automatic control system therefor
- Patent Title (中): 封闭操作机构及其自动控制系统
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Application No.: US49316155Application Date: 1955-03-09
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Publication No.: US2871009APublication Date: 1959-01-27
- Inventor: PICATTI GEORGE G
- Applicant: PICATTI GEORGE G
- Assignee: George G Picatti
- Current Assignee: George G Picatti
- Priority: US49316155 1955-03-09
- Main IPC: E05F15/00
- IPC: E05F15/00 ; E05F15/14
Information query
