About 2 Trademarks found that are owned by Highland Tank & Manufacturing Company Incorporated

The mark consists of the wording "OILSTOPPER" in stylized font with the secondletter "O" consisting of an octagon enclosing a raindrop.

Automated systems, namely, software, hardware and communications devices for planning, scheduling, controlling, monitoring, analyzing, and/or providing information on liquid storage tanks and process vessels

Electronic monitoring of liquid storage tanks and process vessels using computers and sensors; Data automation and collection service using software and hardware to evaluate, analyze and collect data for liquid storage tanks and process vessels