Note 4 – Intangible Assets

Intangible assets, net consisted of the following:

Amortization expense amounted to $23,048 and $45,346 for the three and six months ended June 30, 2020, respectively, and $19,540 and $36,009 for the three and six months ended June 30, 3019, respectively. Amortization expense for the succeeding five years and thereafter is $46,153 (2020),  $92,306 (2021-2024) and $928,047 (thereafter).

At June 30, 2020 and December 31, 2019, the Company had capitalized $250,661 and $335,224, respectively, for costs related to patents that have not been awarded.