Located on both of the circuit boards on each module.
Patent number located on the bottom plastic piece where the connector pins are held in place.
overall: 6 3/8 in x 2 in x 1 in
The record contains 29 modules with the same 63PW607 number. They all have blue metal sides and a clear handle with a clear band and a bright red band. The serial numbers are located on the handles. 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 manufacturer of the bottom plastic piece "Winchester El. Inc." is located on the bottom where the connector pins are. The modules have a "Monobloc Trademark" on the bottom next to the connector pins. 8 of the modules have a tag attached with string. The remaining modules have tape attached either to the side or to the handle. The tags and the tape have handwritten notes on them.