Annual report pursuant to Section 13 and 15(d)

Patents (Tables)

v3.22.1
Patents (Tables)
12 Months Ended
Dec. 31, 2021
Patents  
Schedule of patent
           
 

2021

   

2020

 
Gross carrying amount   $ 7,949,000     $ 7,848,000  
Accumulated amortization     (6,565,000 )     (6,270,000 )
Patents, net   $ 1,384,000     $ 1,578,000  
Schedule of future amortization of current intangible
Schedule of future amortization of current intangible        
For the years ended December 31,        
2022     $ 301,000  
2023       236,000  
2024       90,000  
2025       90,000  
2026 and thereafter       667,000  
Total     $ 1,384,000