Burlington, MA 01803. One of their products is the Dexterous Hand Master. The exoskeleton is roughly 11 ounces.
Straps anchor the exoskeleton to each finger joint and the wrist.
Finger bending and side to side motions are measured, in all 20 distinct angles. There is supporting software for PC AT, Macintosh, and VME systems. Sales brochure targets remote operation of robotic hands, control of musical performances, and artificial computer environments. The other product that looks interesting is called GripMaster. It comes as an IBM AT compatible critter.