Jian Yang

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Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Carbon ribbon recovery device and a printer having the same
- Patent number 8,632,267
- Issue date Jan 21, 2014
- Shandong New Beiyang Information Technology Co., Ltd.
- Zhaoyi Wang
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
CARBON RIBBON RECOVERY DEVICE AND A PRINTER HAVING THE SAME
- Publication number 20110026996
- Publication date Feb 3, 2011
- Zhaoyi Wang
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS