.PT4 File Extension Information

What program uses .PT4 file extension?

Program : ProtoTRAK Design Control File
Program Website: ProtoTRAK Design Control File
Company : Southwestern Industries, Inc.
Company Website: Southwestern Industries, Inc.

Extensions starting with

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | #-0-9