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PATENTS (Tables)
12 Months Ended
Sep. 30, 2023
PATENTS  
Schedule of patents

 

 

2023

 

 

2022

 

Patents

 

$853,445

 

 

$893,833

 

Accumulated amortization

 

 

(655,741)

 

 

(681,632)

Patents, net

 

$197,704

 

 

$212,201

 

Schedule of total estimated future amortization

Years ending September 30,

 

2024

 

$32,000

 

2025

 

 

29,000

 

2026

 

 

25,000

 

2027

 

 

22,000

 

2028

 

 

19,000

 

Thereafter

 

 

71,000

 

 

 

$198,000