Ernest A. Graff

Capacitance probe for measuring a width of a clearance between parts

On-line web planarity measurement apparatus and method

Precision center guiding of a web coated with light sensitive photographic emulsion

Apparatus and method for non-contact measurement of the edge sharpness of a knife

Web material camber measurement apparatus and method

Gap measuring apparatus and method

Wound web roll sidewall quality measurement

Gap distance measuring apparatus and method

Apparatus and method for measuring the relative differential length in a sheet of material

Kapazitätssonde. Capacitance probe.