Invention Grant
- Patent Title: Electrical relay and solenoid mechanism
- Patent Title (中): 继电器和电磁阀机构
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Application No.: US72636247Application Date: 1947-02-04
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Publication No.: US2595285APublication Date: 1952-05-06
- Inventor: O'BRIEN JOSEPH F , CATALDO JOHN B
- Applicant: PIERCE JOHN B FOUNDATION
- Assignee: Pierce John B Foundation
- Current Assignee: Pierce John B Foundation
- Priority: US72636247 1947-02-04
- Main IPC: H01H50/32
- IPC: H01H50/32 ; H01H51/08
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