Invention Grant
- Patent Title: Marking device for index blanks
- Patent Title (中): 标记设备的索引空白
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Application No.: US15180137Application Date: 1937-07-03
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Publication No.: US2154269APublication Date: 1939-04-11
- Inventor: MAX GRAMANN HEINRICH F
- Applicant: EDISON INC THOMAS A
- Assignee: Edison Inc Thomas A
- Current Assignee: Edison Inc Thomas A
- Priority: US15180137 1937-07-03
- Main IPC: G11B25/02
- IPC: G11B25/02
Public/Granted literature
- US20160298891A1 TOP COOLING MODULE FOR A REFRIGERATOR Public/Granted day:2016-10-13
Information query
