Dae-Ryong Yun

Follow

Person

Kwangju, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Vending machine for a sequential purchase of goods
- Patent number 5,884,807
- Issue date Mar 23, 1999
- Kwangju Electronics Co., Ltd.
- Dae-Ryong Yun
- G07 - CHECKING-DEVICES