Proofhouse.com has Colt sn data.
If you mean a serial number on some product, it depends on what the product is. Each company can makes serial numbers mean anything they want it too.
kellogs i mean a serial code website
Assuming that by serial technologies you mean serial communication, here are some: USB - Universal Serial Bus RS232C - The original serial protocol
To follow with friend
It means that it is a duplicate serial number
It can be part of the sn, it can mean experimental, it can mean duplicate.
You have a serial number of 00000 the letters NW mean your BPS was made in 1994.The B52 could be referring to the model number.
It's part of the serial number.
If it's a used guitar, it may mean "excellent condition" and would not be part of the serial number.
645998
9700253
Gun Registration...