Hand-held trace vapor/particle detection system

Hand-held trace vapor/particle sampling system

Hand-held ultrasonic probe

Hand-held warning sign

Hand-held wireless computer cursor controlling device

Hand-held wireless computer keyboard

Hand-held wireless control unit

Hand-held, hand-scanned, audio-monitored, infrared detection...

Hand-held, self-contained optical emission spectroscopy...

Hand-marked lottery selection slip scanning system and method

Hand-off between ultra-wideband cell sites

Hand-operable signal device using percussively- ignitable...

Hand-operated low cost magnetic character recognition system

Hand-supportable imaging-based bar code symbol reader...

Hand-writable liquid crystal board set

Hand-written character recognition apparatus and facsimile...

Handchime instrument

Handheld analyzer for testing a sample

Handheld apparatus for analysis with a conveyance path for...

Handheld calculator to facilitate finding fat level percentages