Invention Grant
- Patent Title: Electrical protective system
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Application No.: US73049834Application Date: 1934-06-13
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Publication No.: US2079723APublication Date: 1937-05-11
- Inventor: KASSON SWART LELAND
- Applicant: AMERICAN TELEPHONE & TELEGRAPH
- Assignee: American Telephone & Telegraph
- Current Assignee: American Telephone & Telegraph
- Priority: US73049834 1934-06-13
- Main IPC: H04M1/74
- IPC: H04M1/74
Information query
