Invention Grant
- Patent Title: Apparatus for controlling light effects.
- Patent Title (中): 用于控制光效的装置。
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Application No.: US16163817Application Date: 1917-04-12
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Publication No.: US1291964APublication Date: 1919-01-21
- Inventor: MCCORMICK LANGDON
- Applicant: MCCORMICK LANGDON
- Assignee: Langdon Mccormick
- Current Assignee: Langdon Mccormick
- Priority: US16163817 1917-04-12
Public/Granted literature
- US11437045B1 Virtual assistant technology Public/Granted day:2022-09-06
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