Zhivko Georgiev Zhelev

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Sofia, BG

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Patents Grantslast 30 patents

Information Patent Grant
Method for recording and reading a code of material products for pr...
- Patent number 7,925,885
- Issue date Apr 12, 2011
- Keit Ltd.
- Zhivko Georgiev Zhelev
- G07 - CHECKING-DEVICES

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND DEVICE FOR PROTECTION AND CONTROL OF ORIGINALITY OF PROD...
- Publication number 20090114726
- Publication date May 7, 2009
- Zhivko Zhelev
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Application
Material code recording and reading method and devices designed for...
- Publication number 20050086490
- Publication date Apr 21, 2005
- Zhivko Georgiev Zhelev
- G06 - COMPUTING CALCULATING COUNTING