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PATENTS AND TRADEMARKS (Details - Schedule of patents and trademarks) (Details - USD ($)
Dec. 31, 2021
Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]    
Patents and trademarks $ 309,205 $ 301,770
Less: Accumulated amortization (242,723) (237,355)
Patents and trademarks, Net $ 66,482 $ 64,415