Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Peripherally reinforced laminated loudspeaker diaphragm

Peripherally reinforced laminated loudspeaker diaphragm

US Patent 4198550 · Granted Apr 15, 1980

Estimated economic value: $240,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Signal control system, signal control method, and program recording medium2025
Non-transitory storage medium storing thereon optical aberration correction prog2025
Gradient magnetic field sensor and magnetic matter detection device2025
Capacitance detection device and capacitance detection method2024
Defect position determination system, appearance inspection method and program2024
Power conversion device2024
Input device2024
Pancreatic cancer detection method and pancreatic cancer detection kit2024
Input device2021
Magnetic sensor and magnetic-field detection device including the same2021
Input device2021
Level shifting circuit and integrated circuit2021