Invention Grant
- Patent Title: Network protector relay
- Patent Title (中): 网络保护继电器
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Application No.: US17812737Application Date: 1937-12-04
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Publication No.: US2196138APublication Date: 1940-04-02
- Inventor: BULLARD WILLIAM R
- Applicant: P & B ELECTRIC CO
- Assignee: P & B Electric Co
- Current Assignee: P & B Electric Co
- Priority: US17812737 1937-12-04
- Main IPC: H01H83/08
- IPC: H01H83/08 ; H02H3/00
Public/Granted literature
- US20220353638A1 LOCATION-BASED APPLICATION DISCOVERY Public/Granted day:2022-11-03
Information query
