Chang, Liang Hsi Trademarks
3D-KEY
Directionally-mapped, keyed alpha-numeric data input and output system comprising a key pad; array that has at least one…
Owned by: Chang, Liang Hsi
Serial Number: 75884701
3D-KEE
DIRECTIONALLY-MAPPED, KEYED ALPHA-NUMERIC DATA INPUT AND OUTPUT SYSTEM COMPRISING A KEY PAD/ARRAY THAT HAS AT LEAST ONE…
Owned by: Chang, Liang Hsi
Serial Number: 75884702
