Codabar

Codabar is a linear barcode symbology developed in 1972 by Pitney Bowes Corp. (). It and its variants are also known as Codeabar, Ames Code, NW-7, Monarch, Code 2 of 7, Rationalized Codabar, ANSI/AIM BC3-1995 or USD-4.

Although Codabar has not been registered for US federal trademark status, its hyphenated variant Code-a-bar is a registered trademark.