http://en.wikipedia.org/wiki/Laptop = Last Modified September 11 2012.. ok
who's cheating? ;-)
Per that research/text:
"As 8-bit CPU machines became widely accepted, the number of portables
increased rapidly. The Osborne 1 <http://en.wikipedia.org/wiki/Osborne_1>,
released in 1981, used the Zilog Z80 and weighed 23.6 pounds (10.7 kg). It
had no battery, a 5 in (13 cm)
CRT<http://en.wikipedia.org/wiki/Cathode_ray_tube>screenscreen, and dual
5.25 in (13.3 cm) single-density floppy drives. In the
same year the first laptop-sized portable computer, the Epson
HX-20<http://en.wikipedia.org/wiki/Epson_HX-20>20>,
was announced.[5] <http://en.wikipedia.org/wiki/Laptop#cite_note-4> The
Epson had a LCD
<http://en.wikipedia.org/wiki/Liquid_crystal_display>screen, a
rechargeable battery, and a calculator-size printer in a 1.6 kg
(3.5 lb) chassis. Both
Tandy/RadioShack<http://en.wikipedia.org/wiki/RadioShack>and
HP <http://en.wikipedia.org/wiki/Hewlett_Packard> also produced portable
computers of varying designs during this
period.[6]<http://en.wikipedia.org/wiki/Laptop#cite_note-5>
[7] <http://en.wikipedia.org/wiki/Laptop#cite_note-6> The first laptops
using the flip form factor
<http://en.wikipedia.org/wiki/Flip_%28form%29>appeared in the early
1980s. The Dulmont
Magnum <http://en.wikipedia.org/wiki/Dulmont_Magnum> was released in
Australia in 1981?82, but was not marketed internationally until 1984?85.
The US$8,150 (US$19,630 today) GRiD Compass
1100<http://en.wikipedia.org/wiki/GRiD_Compass>ss>,
released in 1982, was used at NASA <http://en.wikipedia.org/wiki/NASA> and
by the military among others. The Gavilan
SC<http://en.wikipedia.org/wiki/Gavilan_SC>SC>,
released in 1983, was the first computer described as a "laptop" by its
manufacturer.[8] <http://en.wikipedia.org/wiki/Laptop#cite_note-7>"