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PATENTS (Tables)
12 Months Ended
Sep. 30, 2022
PATENTS  
Schedule of patents

 

 

2022

 

 

2021

 

Patents

 

$893,833

 

 

$910,523

 

Accumulated amortization

 

 

(681,632)

 

 

(634,657)

 

 

 

 

 

 

 

 

 

Patents, net

 

$212,201

 

 

$275,866

 

Schedule of total estimated future amortization

Years ending September 30,

 

2023

 

$38,000

 

2024

 

 

30,000

 

2025

 

 

28,000

 

2026

 

 

24,000

 

2027

 

 

21,000

 

Thereafter

 

 

71,000

 

 

 

$212,000