Portable computer with trackball mounted in display section

Portable data processing device with turnable and telescopable d

Portable data processing device with turnable display having two

Portable distribution box

Portable electric device with sliding switch cover

Portable electrical appliance

Portable electronic apparatus having a contact terminal electric

Portable electronic apparatus having a display unit rotating in

Portable electronic apparatus having a removable precision unit

Portable electronic apparatus having an interchangeable detachab

Portable electronic apparatus having terminal supported from the

Portable electronic device with battery pack retained by a sprin

Portable electronics apparatus housing and chassis

Portable keyboard/display terminal

Portable memory module

Portable note-book computer expansion device with disk drives

Portable personal computer

Portable power distribution cabinet

Portable power distribution cabinet and power distribution netwo

Portable switching unit