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Browsing by Patent Inventor leung, kwong keung
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Showing results 1 to 3 of 3
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
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