Patent number is located on the bottom where the connector pins are.
Number is written along edges of both circuit boards.
Drawing number is located on the blue plaque on the side.
overall: 6 3/8 in x 2 in x 1 in
The record contains 7 modules with the same drawing number and 63PW1023 number. They have blue metal sides, a clear handle with one black band and one orange band. There are 18 connector pins at the bottom of the object. There are two circuit boards on each side comprised of various components and wires. The serial numbers are located on the side of the module on the blue plaque and on the handle. The serial numbers differ for each module. The manufacturer of the bottom plastic piece "Continental" is located on the bottom where the connector pins are. It says "PIU Inverters" on the circuit board before 63PW1023.