On the but
You cannot the serial number is required.
Generally, you can't. It might be possible with Browning, but, you will need to call them with the serial number.
The serial number only tells one where in the run & what year it was manufactured in, not who made it.
Check under the forearm
Check the entire receiver carefully.
Look on the receiver and barrel.
Contact the factory; they are still in business.
Impossible to answer without knowing who made it.
Impossible to find out.
You will have to contact Miroku to find out.