Hans I. Bjelkhagen

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Rhuddlan, GB

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Patents Applicationslast 30 patents

Information Patent Application
COLOR HOLOGRAPHIC OPTICAL ELEMENT
- Publication number 20130065159
- Publication date Mar 14, 2013
- INTREPID WORLD COMMUNICATION CORP.
- Hans I. Bjelkhagen
- G02 - OPTICS
Information Patent Application
COLOR HOLOGRAPHIC OPTICAL ELEMENT
- Publication number 20080138717
- Publication date Jun 12, 2008
- Hans BJELKHAGEN
- G02 - OPTICS
Information Patent Application
Color holographic optical element
- Publication number 20050157359
- Publication date Jul 21, 2005
- Intrepid World Communication Corporation
- Hans I. Bjelkhagen
- G02 - OPTICS