External pinpad of POS for the blind

Assignee

• Ingenico (Fujian) Technology Co.

Inventors

• Huifang Cai (7 patents)
• Luming Ye (11 patents)
• Dengxi Li (5 patents)
• Haiou Li (5 patents)
• Shoufeng Zhang (1 patents)

View full patent text on Google Patents →