Cable drive system for carriage movement and method of use

Cable driven plotter

Calculator for offset pipe fitting

Cam master spider identifier

Capacitive angle sensor

Card gage

Cardiac axis calculator

Carpenter's tool

Carriage for a computer mouse

Carriage positioning system

Catenary system measurement apparatus and method

Clamp device in measuring instrument

Color screen indicator

Column placement template

Column placement template

Combination interpolator and distance divider

Combined centerline target and grade checker apparatus

Compact viewing frame for artists

Computer-aided drawing or engraving device

Concrete form alignment device