NASDAQ:REFR | Pre-Tax Margin | RESEARCH FRONTIERS INC

Complete source-backed pre-tax margin history.

Available history
2013-09-30 to 2014-12-31
Data captured

Historical Pre-Tax Margin

DatePre-Tax Margin
2013-09-30-169.72%

Annual Pre-Tax Margin

DatePre-Tax Margin
2014-12-31-276.06%

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