Mark Identification

TRAK-LOK

Serial Number

73822123

Filing Date

Aug 28, 1989

Registration Date

May 8, 1990

Trademark by

DYNAMIC AIR INC.

Classification Information

SWITCH AND INDICATOR FOR ATTACHMENT TO A BUTTERFLY VALVE TO GIVE A VISUAL AND ELECTRICAL INDICATION OF THE VALVE CONDITION (OPEN OR CLOSED)

Electrical and Scientific Apparatus