SIGMA

Machines, namely, air compressors; compressed air machines; compressed air pumps

Apparatus for data transmission used in the control of air compressors and of other compressed air applications, namely, compressed air machines and compressed air pumps; master electronic controllers for controlling controllers for peripheral air compressors, compressed air machines and compressed air pumps, all of the foregoing sold separately from the machines themselves but intended for use exclusively in connection with air compressors, compressed air machines and compressed air pumps