Quarterly report pursuant to Section 13 or 15(d)

PATENTS (Tables)

v3.23.1
PATENTS (Tables)
3 Months Ended
Mar. 31, 2023
Patents  
Schedule of patent
               
    March 31, 2023     December 31, 2022  
Gross carrying amount – patents   $ 8,473,000     $ 8,473,000  
Accumulated amortization – patents     (6,964,000 )     (6,881,000 )
Patents, net   $ 1,509,000     $ 1,592,000  
Schedule of future amortization of current intangible
           
  Twelve Months Ended March 31,  
  2023     $ 214,000  
  2024       120,000  
  2025       120,000  
  2026       120,000  
  2027       118,000  
  Thereafter       817,000  
  Total     $ 1,509,000