About 2 Trademarks found that are filed by the attorney Jeb A Shookman

Electric or electronic sensors for detecting derailments, track integrity, number of wheels and/or axles, temperature, wind speed and presence of dragging equipment for use in the railroad industry; and related electronic control/communications systems composed primarily of user interfaces, radios, circuitry, batteries, surge suppressors, and battery chargers

The mark consists of the letter "M" in uppercase and stylized font. A fanciful depiction of a portion of a mechanical gear precedes and partially encompasses the letter "M".