Invention Grant
- Patent Title: Microphone
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Application No.: US16156737Application Date: 1937-08-30
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Publication No.: US2181565APublication Date: 1939-11-28
- Inventor: HUTH WALTER H
- Applicant: AUREX CORP
- Assignee: Aurex Corp
- Current Assignee: Aurex Corp
- Priority: US16156737 1937-08-30
- Main IPC: H04R21/02
- IPC: H04R21/02
Public/Granted literature
- US10654549B2 Winged autonomous underwater vehicle (AUV) Public/Granted day:2020-05-19
Information query
