Gravimeters; Air quality measurement apparatus, namely, particle counters; Apparatus and instruments for weighing; Baby monitors; Baby scales; Backpacks especially adapted for holding laptops; Backpacks especially adapted for holding laptops and notebook computers; Bags adapted for laptops; Bags for cameras and photographic equipment; Bar code printers; Body fat scales for household use; Calipers for measuring trees; Computer bags; Electronic devices for assisting care giving for seniors or people needing assistance comprised of sensors for determining status of person and apparatus for sending electronic alerts to care givers; Electronic devices for locating and tracking lost articles, people, pets using radio frequency, global positioning systems, cellular communication networks; Ergometers not for medical purposes; Force measurement products, namely, digital force gauges, digital torque gauges and manual and motorized test stands used therewith sold as a unit with the gauges; Gravity measuring instruments; Instruments for detecting and measuring two-dimensional distribution of force and pressure; Measuring instrumentation and apparatus, namely, digitizers; Pressure measuring apparatus; Pressure measuring apparatus; Pressure recorders; Pressure sensors; Tension testers