Speaker Magnet Re-charge service in India

[Danieljohn]

Very impressive 15,500 gauss gap strength ....

Ther are patents on that specific magnetic system. I'm sure apart from the strength ther must be something more to it as the magnet structure itself looks bit odd.

 

[SIDEWINDER18X]

Ther are patents on that specific magnetic system. I'm sure apart from the strength ther must be something more to it as the magnet structure itself looks bit odd.

Can you share the patent number ?

 

[Danieljohn]

Can you share the patent number ?

I Tried but didn't found.
I for sure downloaded the pdf file in my lost phone.