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6. PATENTS

12 Months Ended

Dec. 31, 2016

Notes to Financial Statements

6. PATENTS

6. Patents.

		2016 Cost				Accumulated Amortization				2016 Net
Patents		$	197,448			$	101,558			$	95,890

		2015 Cost				Accumulated Amortization				2015 Net
Patents		$	191,698			$	91,075			$	100,623

Increase in 2016 cost was due to currency conversion. 2016 cost in Canadian dollars - $265,102 (2015 - $265,102 in Canadian dollars).

Amount of amortization for 2016: $15,616 (2015: $15,867) and is included in cost of sales in the consolidated statements of operations and comprehensive income (loss).

Estimated amortization expense over the next five years is as follows:

2017		$	16,438
2018			16,438
2019			16,438
2020			16,438
2021			16,438

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