Invention Grant
- Patent Title: Adjustable modulator apparatus
- Patent Title (中): 可调式调制装置
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Application No.: US17308062Application Date: 1962-02-13
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Publication No.: US3249898APublication Date: 1966-05-03
- Inventor: SMITH CALDWELL P
- Applicant: SMITH CALDWELL P
- Assignee: Caldwell P Smith
- Current Assignee: Caldwell P Smith
- Priority: US17308062 1962-02-13; US70833658 1958-01-10
- Main IPC: G10L11/00
- IPC: G10L11/00
Public/Granted literature
- US11384917B1 Headlight and projection device for vehicles Public/Granted day:2022-07-12
Information query
