Invention Grant
- Patent Title: Corrector system for synchronous telegraph apparatus
- Patent Title (中): 同步电报装置校正系统
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Application No.: US38903229Application Date: 1929-08-28
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Publication No.: US1856331APublication Date: 1932-05-03
- Inventor: HAGLUND HAKON H
- Applicant: WESTERN UNION TELEGRAPH CO
- Assignee: Western Union Telegraph Co
- Current Assignee: Western Union Telegraph Co
- Priority: US38903229 1929-08-28
- Main IPC: H04L7/00
- IPC: H04L7/00
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