Invention Grant
- Patent Title: Electric clock system
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Application No.: US24917528Application Date: 1928-01-24
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Publication No.: US1768431APublication Date: 1930-06-24
- Inventor: WARREN HENRY E
- Applicant: WARREN TELECHRON CO
- Assignee: Warren Telechron Co
- Current Assignee: Warren Telechron Co
- Priority: US24917528 1928-01-24
- Main IPC: G04C11/04
- IPC: G04C11/04
Information query
