May
article by Fortune magazine.
April applied with PCT for Brazil
made MOU with South African company
appointed Representative in Brazil
made MOU for China
made MOU for Philippines
made MOU with Malaysian company
made MOU for Thailand company
Mar
interviews with Reuters & BBC for report & broadcasting
begun technical cooperation with KIST (Korea Institute of
Science and Technology)
Feb
applied with PCT for USA and China

Dec
registered self-cooling can with dancing doll
Sep
applied with PCT for Self-Cooling Beverage container
Jul
patented self-cooling beverage container in Japan
May
patented Self-cooling device in beverage can
Fab
applied for beverage container with Self-Cooling device

Sep
investment by TAN Inc., New York, USA
Aug
first demonstration ceremony of automatic Self-Cooling Can
Jul
renamed Goldenman as Icetec Inc.
Mar
Established Goldenman corporation.

Aug
patent applied for beverage can containing cooling device

Mar
patented nozzle for self-cooling device.

Nov
recognized at the 1990 National Invention Exhibition hosted by the Korean Authority.

Jun
patented beverage cooling device.