Microcap & Penny Stocks : Research Frontiers (REFR) -- Ignore unavailable to you. Want to Upgrade?

To: DashernComet who wrote (20759)10/4/2017 8:35:52 PM
From: aknahow  Read Replies (2) | Respond to of 24461
This is very positive.

The optical element could include at least one liquid crystal cell, an electrochromic cell, a suspended particle device, and/or a switchable mirror. The optical element could be operable to change the transmittance of the optical element and/or the optics.

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