87898247
Apr 27, 2018
Jul 30, 2019
Active Trademark
Automatic valve position indicating devices comprised of a limit switch, sensors, housing, and visual position indicator for visually signaling valve status as open or closed, and parts therefor; customizable automatic valve position indicating devices, comprised of a limit switch, sensors, housing, and visual position indicator for visually signaling valve status as open or closed, and parts therefor
Electrical and Scientific Apparatus