75662614
Mar 18, 1999
Jan 21, 2003
equipment for performing scientific experiments, especially in schools or other educational institutions, namely, temperature probes, light probes, rotary motion probes and accessory kits sold therewith, photo event probes consisting of a light source and light detectors, distance probes utilizing sonar, and lasers for measuring purposes; and cables, adapters, modular connectors, power supply, base unit and prototyping cards for use therewith in conjunction with personal computers or other devices to display the data gathered using the included sensors and probes
Electrical and Scientific Apparatus