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Browsing by Patent Inventor lai, hon seng
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Showing results 1 to 4 of 4
Title
Author(s)
Issue Date
Apparatus, systems and methods for wireless purchase and on-line inventory management in vending machines
Yung, Hon Ching
Lai, Hon Seng
Leung, Kwong Keung
2003
Gsm tracking device base on mobile network and radio frequency communication
LAI, HON SENG
YUNG, HON CHING
2007
Wireless Purchase And On-line Inventory Apparatus And Method For Vending Machines
Yung, Nelson Hon Ching
Leung, Kwong Keung
Lai, Hon Seng
2004
Wireless Purchase And On-Line Inventory Apparatus And Method For Vending Machines
Yung, Nelson Hon Ching
Leung, Kwong Keung
Lai, Hon Seng
2006