- LandOfFree
- Inventors
- Electrical audio signal processing systems and devices
- One-way audio signal program distribution
- Public address system
Details
David W. Shipman
David W.
Shipman
- Patent Class
Electrical audio signal processing systems and devices
- SubClass
One-way audio signal program distribution
- SubSubClass
Public address system
- Specialty
Inventor
- Status
active
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Profile ID: LFUS-PAI-P-274502
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