Zdenko Grajcar

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Saint Louis Park, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Lighting system
- Patent number 6,478,450
- Issue date Nov 12, 2002
- Zdenko Grajcar
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
LIGHTING SYSTEM
- Publication number 20020159257
- Publication date Oct 31, 2002
- Zdenko Grajcar
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS