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6. PATENTS (Tables) | 12 Months Ended
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Sep. 30, 2017
Net Loss Per Common Share Tables |
Schedule of Patents |
| 2017 |  | 2016
Patents | $ 1,535,087 |  | $ 1,528,610
Accumulated amortization | (1,311,920) |  | (1,272,063)
Patents, net | $ 223,167 |  | $ 256,547
Schedule of total estimated future amortization |
Years ending September 30,
2018 | $ 37,000
2019 | 35,000
2020 | 32,000
2021 | 28,000
2022 | 25,000
Thereafter | 66,000
| $ 223,000

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