6. PATENTS

12 Months Ended

Dec. 31, 2014

Notes to Financial Statements

Note 6. PATENTS

6. Patents

	2014 Cost	Accumulated Amortization	2014 Net
Patents	$ 228,597	$ 91,193	$ 137,404

	2013 Cost	Accumulated Amortization	2013 Net
Patents	$ 249,284	$ 80,416	$ 168,868

Decrease in 2014 cost was due to currency conversion. 2014 cost in Canadian dollars - $265,102 (2013 - $265,102 in Canadian dollars).

Amount of depreciation for 2014: $18,348 (2013: $19,361).

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

2015	$  17,466
2016	17,466
2017	17,466
2018	17,466
2019	17,466