Invention Grant
- Patent Title: Automatic threshold-space closure
- Patent Title (中): 自动阈值空间关闭
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Application No.: US16698527Application Date: 1927-02-09
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Publication No.: US1651570APublication Date: 1927-12-06
- Inventor: WOODCOCK LOUIS H
- Applicant: WOODCOCK LOUIS H
- Assignee: Louis H Woodcock
- Current Assignee: Louis H Woodcock
- Priority: US16698527 1927-02-09
- Main IPC: E06B7/20
- IPC: E06B7/20
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