Family of robotic platforms unveiled.

• Author: Williams, Robert H.
• Position: TECH TALK

Four robot platforms--ranging from 16 to 30 inches in length and 26 to 90 pounds in weight--that are designed for multiple uses by industry, the military and other users are being marketed from $499 to $899.

Built by Powerhouse Inc. of Belmont, Calif., the platforms are fully assembled and ruggedized, says a spokesman, who suggests they would prove most useful "in environments that...