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PATENTS (Tables)
12 Months Ended
Sep. 30, 2020
PATENTS  
Schedule of patents

 

 

2020

 

 

2019

 

Patents

 

$896,372

 

 

$841,397

 

Accumulated amortization

 

 

(582,950)

 

 

(529,811)

 

 

 

 

 

 

 

 

 

Patents, net

 

$313,422

 

 

$311,586

 

Schedule of total estimated future amortization

 

Years ending September 30,

 

2021

 

 

52,000

 

2022

 

 

48,000

 

2023

 

 

38,000

 

2024

 

 

30,000

 

2025

 

 

28,000

 

Thereafter

 

 

117,000

 

 

 

$313,000