Invention Grant
- Patent Title: Scanning method and device
- Patent Title (中): 扫描方法和设备
-
Application No.: US15554237Application Date: 1937-07-24
-
Publication No.: US2285593APublication Date: 1942-06-09
- Inventor: LEMERT RALPH D
- Applicant: LEMERT RALPH D
- Assignee: Ralph D Lemert
- Current Assignee: Ralph D Lemert
- Priority: US15554237 1937-07-24
- Main IPC: H04N3/08
- IPC: H04N3/08 ; H04N3/34
Public/Granted literature
Information query
