Damped pendulum angular position

Data converter pickup carriage assembly

Datum line gauge system

Dc shift error correction for electro-optical measuring system

Deck spacing tool

Decoding apparatus

Defining and checking conformance of an object shape to...

Deflection monitoring system

Dense star polymers for calibrating/characterizing...

Depth gauge

Depth indication system for tillage implements

Depth sensing system for tillage implements

Detachable t-square

Detecting device for breaks or tears and for the end of the...

Detecting system and method for oil or gas well

Detection circuit for a bi-directional, self-imaging grating...

Detection of cross sectional area variation in a wire rope -...

Detection of faults in a predetermined area of a surface

Detection of irregularities in a convex surface, such as a...

Detector apparatus for detecting coherent mono-chromatic...