Luben Koev

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Elk River, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Dip coating process for optical elements
- Patent number 7,025,457
- Issue date Apr 11, 2006
- Vision-Ease Lens
- Tuyethoa T. Trinh
- G02 - OPTICS
Information Patent Grant
Controlled tintability on mar-resistant coatings
- Patent number 6,500,486
- Issue date Dec 31, 2002
- Elaine M. Anderson
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Dip coating process for optical elements
- Publication number 20040096577
- Publication date May 20, 2004
- Vision-Ease Lens, Inc.
- Tuyethoa T. Trinh
- G02 - OPTICS